Bradley Klahn
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Bradley Klahn

Bradley Klahn
Klahn WMQ18 (9) (43505565182).jpg
Country (sports) United States
ResidencePoway, California
Born (1990-08-20) August 20, 1990 (age 31)
Poway, California
Height1.83 m (6 ft 0 in)
Turned pro2012
PlaysLeft-handed (two-handed backhand)
CoachDavid Nainkin
Prize money$1,551,534
Career record13-41 (24.1% in ATP World Tour and Grand Slam main draw matches, and in Davis Cup)
Career titles0
Highest rankingNo. 63 (March 17, 2014)
Current rankingNo. 175 (June 21, 2021)
Grand Slam Singles results
Australian Open1R (2014, 2019)
French Open1R (2014, 2019)
Wimbledon2R (2018)
US Open2R (2012, 2013, 2019)
Career record6-15 (28.6% in ATP World Tour and Grand Slam main draw matches, and in Davis Cup)
Career titles0
Highest rankingNo. 131 (3 March 2014)
Current rankingNo. 281 (16 March 2020)
Grand Slam Doubles results
Australian Open1R (2019)
French Open1R (2014)
Wimbledon1R (2014)
US Open3R (2014)
Grand Slam Mixed Doubles results
US Open1R (2012, 2017)
Last updated on: 23 March 2020.

Bradley Klahn (born August 20, 1990) is an American professional tennis player from Poway, California.

Klahn played collegiate tennis at Stanford University, where he won the 2010 NCAA Singles Championships[1] as a sophomore. His next year as a junior, he was a finalist in the NCAA Doubles Championship. He played at the 2010 US Open, taking a set from 20th seed Sam Querrey before being defeated in four sets.[2] Klahn received a wild card into the 2011 SAP Open. He is coached by Lee Merry.[3] He underwent back surgery in February 2015[4] and did not resume playing until late 2016,[5] accepting a wild card into qualifying for the Challenger event in Champaign-Urbana and winning three matches to reach the main draw, where he defeated Sam Groth in the first round and Tennys Sandgren in the second before falling to Jared Donaldson in the quarterfinals.[6]

Personal life

Began playing tennis at age 11 after his mother, Nancy, who played tennis at University of Iowa, signed him up for a summer round-robin league; Father, Dennis, is a group controller; younger sister, Kathryn, younger brother, Brian, are both students at Santa Clara University (freshman and senior, respectively). He grew up in Poway, California, 30 minutes northeast of San Diego and admired countrymen Pete Sampras, Andre Agassi and Andy Roddick.[3]



Achieved his top USTA Boys' 18s ranking of No. 1 in 2008. He had a career-high ranking in the International Tennis Federation was No. 14 and he reached the third round of the 2008 Junior Australian Open, Junior Wimbledon Championships, and Junior U.S. Open. He captured both the singles and doubles B18s titles at the 2008 USTA International Spring Championships and 2008 Winter Nationals and the doubles title at Melbourne's Optus Nottinghill ITF Championships. Klahn was a finalist at the 2008 Kalamazoo B18s doubles and the Optus Nottinghill ITF B18s singles. He won the 2006 USTA Nationals (Kalamazoo) B16s doubles and was a member of the Junior Davis Cup squad that competed in Barcelona that same year.[7]


Bradley went to Stanford and was the ITA National Rookie of the Year, Pac-10 Freshman of the Year and an All-Pac-10 First Team selection. Klahn became just the fourth player in school history to claim both the Pac-10 Singles and Doubles Championships in the same year. He led team with an overall record of 35-9, playing mainly at the top two spots of the lineup. He had the team-best 20-5 in dual matches with a 7-1 mark at the No.1 position and 13-4 record at the No. 2 spot. He went 19-8 against nationally ranked opponents and finished with a national ranking of No. 32. He had two different 10-match winning streaks on the year, including a season-best 11-match winning streak from Apr 8 to May 8. His highest-ranked victory was a 6-2, 7-5 win over No. 7 Robert Farah of USC on Apr 25. Klahn claimed the Pac-10 singles title with five consecutive straight-set victories but dropped a hard-fought, three-set decision to teammate Alex Clayton in the final of the ITA Regional Championship. In his first career match, picked up a 6-4, 6-4 win against Kentucky's Brad Cox at the ITA All-American Championships. In double he teamed up with Ryan Thacher for a final No. 28 national ranking and an 11-4 record (7-4 duals). The duo also claimed its first title, winning the Pac-10 doubles crown. advanced to the round of 32 at the ITA All-American Championships and advanced to the doubles semifinals of the ITA Regional Championships with Clayton.[7]


He was an All-American in singles and doubles, All-Pac-10 First Team selection, Pac-10 All-Academic Honorable Mention, Klahn defeated Louisville's Austen Childs 6-1, 6-2 to become NCAA Singles champion, capturing Stanford's 14th collegiate singles title and first since 2000. He almost captured the NCAA Doubles crown as well, advancing to the semifinals. He finished season with a national singles ranking of No. 4. He reached the national title match after knocking off the tournament's top seed and country's No. 2-ranked player in Henrique Cunha of Duke 6-2, 6-2. He notched two different season-best nine-match winning streaks and led team in victories with a 41-8 overall record while also going 17-5 in duals and playing all his matches at the No. 1 position. Klahn was 23-8 against nationally ranked opponents, 15-6 against Pac-10 foes, 12-2 in home matches and 7-4 in three-set matches. He posted a 3-2 mark against players ranked in the top-10 at the time of the match. Klahn opened the year by winning 18 of his first 20 matches. He partnered exclusively with Ryan Thacher in doubles and the duo finished 40-8 overall, 17-3 in duals, 14-5 against Pac-10 opponents, 13-6 against nationally ranked foes and 11-0 in home matches. The dominant pairing claimed two doubles titles on the year, taking home the hardware at the ITA Northwest Regional Championships and ITA National Indoor Championships.[7]


He was again an All-American in singles and doubles, All-Pac-10 First Team honoree and Pac-10 All-Academic Honorable Mention selection. he advanced to quarterfinals of NCAA Singles Championship and earned a final national singles ranking of No. 6. He also led team with a 36-11 overall record. He was 24-9 against nationally ranked opponents with his highest-ranked victory was a 6-4, 6-2 rout of No. 5 Michael Shabaz from Virginia in the NCAA Tournament team portion. He reached the semifinals of the D'Novo/ITA All-American Championships and captured the singles title at the Sherwood Cup, repeating as the tourney champion. He finished runner-up finish at the Pac-10 Championships. In doubles again he partnered exclusively with Ryan Thacher for team-best records overall (43-8) and in duals (19-3), while finishing 16-7 against nationally ranked foes. Klahn and Thacher earned a final national doubles ranking of No. 4. They were named Pac-10 Doubles Team of the Year and were runner-up finish at NCAA Doubles Championships. They were the first Stanford doubles team to reach NCAA Doubles Championships final since 2004. He pocketed three tournament doubles titles during the year (Pacific Coast Doubles, Sherwood Cup and ITA National Indoor Championships consolation.[7]


He was an ITA Scholar Athlete and All-American in both singles and doubles. As well as an All-Pac-12 First Team selection, Pac-12 All-Academic Honorable Mention selection and reached semifinals of the NCAA Singles Championship. He went 18-6 overall in singles and 14-5 in duals. He played mainly at the No. 1 spot He earned a final No. 12 in the national singles ranking and was 11-6 against nationally ranked opponents, 4-1 in tournament matches and 6-1 against conference The highest-ranked opponent he defeated was No. 3 Eric Quigley of Kentucky, prevailing 6-1, 6-2 in the NCAA Championships round of 16. He went 8-2 over his final 10 matches of the year in singles and in doubles with Ryan Thacher, compiled a 19-3 record overall and was 11-2 in duals. The duo earned a final No. 9 national ranking and advanced to quarterfinals of the NCAA Doubles Championships. Klahn and Thacher won the Pacific Coast Doubles crown in March, defending last year's title and earning seventh career doubles championship. They were the first tandem to capture back-to-back titles at the historic tournament since former Stanford standouts Jared Palmer and Jonathan Stark accomplished the feat in 1990-91.[7]


The American finished in Top 100 for 1st time in his career after posting a 40-17 record in Challengers and winning 2 titles in 5 finals. Also 11-2 in Futures with 1 title. He was the youngest of 6 Americans in year-end Top 100. He won 1st Challenger title at Aptos (d. Evans) in August and won 2nd at Yeongwol, South Korea (d. Daniel) in November. Klahn also reached back-to-back finals at Winnetka (l. to Sock) and Binghamton (l. to Kuznetsov) in July, and reached final at Traralgon, Australia (l. to Bhambri) in October...He then reached back-to-back Futures finals in March, winning 1st career Futures title at U.S.A. #8 (d. Cho) and the week before at U.S.A. #7 (l. to Singh). In Grand Slam play Klan went 1-1, reached 2R at US Open for 2nd year in a row (l. to Lopez), fell in qualifying at Australian Open (l. to Berankis in Q2), Roland Garros (l. to Velotti in Q1) and Wimbledon (l. to Peliwo in Q1) He compiled records of 1-2 on hard, 0-1 on clay and earned a career-high $153,368.[3]

Challenger and Futures finals

Singles: 18 (9-9)

ATP Challenger Tour (8-6)
ITF Futures Tour (1-3)
Finals by surface
Hard (9-9)
Clay (0-0)
Grass (0-0)
Result W-L    Date    Tournament Tier Surface Opponent Score
Loss 0-1 Sep 2009 USA F22, Claremont Futures Hard United States Matt Bocko 6-7(4-7), 3-6
Loss 0-2 Mar 2013 USA F7, Calabasas Futures Hard India Sanam Singh 3-6, 6-1, 6-7(3-7)
Win 1-2 Mar 2013 USA F8, Costa Mesa Futures Hard South Korea Cho Min-hyeok 6-3, 6-3
Loss 1-3 Jul 2013 Winnetka, US Challenger Hard United States Jack Sock 4-6, 2-6
Loss 1-4 Jul 2013 Binghamton, US Challenger Hard United States Alex Kuznetsov 4-6, 6-3, 3-6
Win 2-4 Aug 2013 Aptos, US Challenger Hard United Kingdom Dan Evans 3-6, 7-6(7-5), 6-4
Loss 2-5 Nov 2013 Traralgon, Australia Challenger Hard India Yuki Bhambri 7-6(15-13), 3-6, 4-6
Win 3-5 Nov 2013 Yeongwol, South Korea Challenger Hard Japan Taro Daniel 7-6(7-5), 6-2
Win 4-5 Jan 2014 Maui, US Challenger Hard Chinese Taipei Yang Tsung-hua 6-2, 6-3
Win 5-5 Feb 2014 West Lakes, Australia Challenger Hard Japan Tatsuma Ito 6-3, 7-6(11-9)
Win 6-5 Nov 2014 Traralgon, Australia Challenger Hard United States Jarmere Jenkins 7-6(7-5), 6-1
Loss 6-6 Mar 2017 USA F11, Calabasas Futures Hard Germany Sebastian Fanselow 3-6, 2-6
Loss 6-7 Oct 2017 Monterrey, Mexico Challenger Hard Germany Maximilian Marterer 6-7(3-7), 6-7(6-8)
Loss 6-8 Oct 2017 Fairfield, US Challenger Hard United States Mackenzie McDonald 4-6, 2-6
Loss 6-9 Jan 2018 Newport Beach, US Challenger Hard United States Taylor Fritz 6-3, 5-7, 0-6
Win 7-9 Jul 2018 Gatineau, Canada Challenger Hard France Ugo Humbert 6-3, 7-6(7-5)
Win 8-9 Nov 2018 Houston, US Challenger Hard United States Roy Smith 7-6(7-4), 7-6(7-4)
Win 9-9 Jul 2019 Winnetka, US Challenger Hard Australia Jason Kubler 6-2, 7-5

Doubles: 19 (10-9)

ATP Challenger Tour (8-9)
ITF Futures Tour (2-0)
Finals by surface
Hard (8-8)
Clay (2-1)
Grass (0-0)
Result W-L    Date    Tournament Tier Surface Partner Opponents Score
Loss 0-1 Apr 2013 Sarasota, US Challenger Clay United States Steve Johnson Serbia Ilija Bozoljac
India Somdev Devvarman
7-6(7-5), 6-7(3-7), [9-11]
Win 1-1 Jun 2013 Romania F3, Bac?u Futures Clay New Zealand Michael Venus Poland Piotr Gadomski
France Tristan Lamasine
7-6(7-4), 6-7(4-7), [14-12]
Win 2-1 Jul 2013 Binghamton, US Challenger Hard New Zealand Michael Venus Australia Adam Feeney
Australia John-Patrick Smith
6-3, 6-4
Loss 2-2 Jul 2013 Lexington, US Challenger Hard New Zealand Michael Venus Canada Frank Dancevic
Canada Peter Polansky
5-7, 3-6
Loss 2-3 Oct 2013 Tiburon, US Challenger Hard United States Rajeev Ram United States Austin Krajicek
United States Rhyne Williams
4-6, 1-6
Win 3-3 Nov 2013 Yokohama, Japan Challenger Hard New Zealand Michael Venus Thailand Sanchai Ratiwatana
Thailand Sonchat Ratiwatana
7-5, 6-1
Loss 3-4 Sep 2014 Napa, US Challenger Hard United States Tim Smyczek Canada Peter Polansky
Canada Adil Shamasdin
6-7(0-7), 1-6
Win 4-4 Oct 2014 Tiburon, US Challenger Hard Canada Adil Shamasdin Australia Carsten Ball
Australia Matt Reid
7-5, 6-2
Win 5-4 Nov 2014 Yokohama, Japan (2) Challenger Hard Australia Matt Reid New Zealand Marcus Daniell
New Zealand Artem Sitak
4-6, 6-4, [10-7]
Loss 5-5 Jan 2015 Nouméa, New Caledonia Challenger Hard United States Jarmere Jenkins United States Austin Krajicek
United States Tennys Sandgren
6-7(2-7), 7-6(7-5), [5-10]
Loss 5-6 Jan 2017 Maui, US Challenger Hard United States Tennys Sandgren United States Austin Krajicek
United States Jackson Withrow
4-6, 3-6
Win 6-6 Mar 2017 USA F11, Calabasas Futures Hard United States Connor Smith United Kingdom Farris Fathi Gosea
United States Alex Lawson
6-4, 6-7(5-7), [10-5]
Loss 6-7 Jul 2017 Winnetka, US Challenger Hard United States Kevin King Thailand Sanchai Ratiwatana
Indonesia Christopher Rungkat
6-7(4-7), 2-6
Win 7-7 Jul 2017 Gatineau, Canada Challenger Hard United States Jackson Withrow Mexico Hans Hach Verdugo
France Vincent Millot
6-2, 6-3
Loss 7-8 Sep 2017 Shanghai, China Challenger Hard Canada Peter Polansky Japan Toshihide Matsui
Chinese Taipei Yi Chu-huan
7-6(7-1), 4-6, [5-10]
Win 8-8 May 2018 Bordeaux, France Challenger Clay Canada Peter Polansky Argentina Guillermo Durán
Argentina Máximo González
6-3, 3-6, [10-7]
Win 9-8 Jul 2018 Gatineau, Canada Challenger Hard United States Robert Galloway Barbados Darian King
Canada Peter Polansky
7-6(7-4), 4-6, [10-8]
Win 10-8 Jul 2019 Winnetka, US Challenger Hard United States JC Aragone United States Christopher Eubanks
7-5, 6-4
Loss 10-9 Nov 2019 Knoxville, USA Challenger Hard (i) Netherlands Sem Verbeek Mexico Hans Hach Verdugo
Spain Adrian Menendez Maceiras
6-7(6-8), 6-4, [5-10]

Performance timelines

(W) Won; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (P#) preliminary round; (DNQ) did not qualify; (A) absent; (Z#) Davis/Fed Cup Zonal Group (with number indication) or (PO) play-off; (G) gold, (F-S) silver or (SF-B) bronze Olympic/Paralympic medal; a (NMS) downgraded Masters Series/1000 tournament; (P) postponed; (NH) not held. SR=strike rate (events won/competed)
To avoid confusion and double counting, these charts are updated at the conclusion of a tournament or when the player's participation has ended.


Current through the 2020 US Open.

Tournament 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 SR W-L
Grand Slam tournaments
Australian Open A A A Q2 1R Q2 A Q1 Q1 1R Q1 A 0 / 2 0-2
French Open A A A Q1 1R A A Q2 Q1 1R Q1 A 0 / 2 0-2
Wimbledon A A A Q1 1R A A Q2 2R 1R NH A 0 / 3 1-3
US Open 1R Q3 2R 2R 1R A A Q2 1R 2R 1R A 0 / 7 3-7
Win-Loss 0-1 0-0 1-1 1-1 0-4 0-0 0-0 0-0 1-2 1-4 0-1 0-0 0 / 14 4-14
ATP Tour Masters 1000
Indian Wells Masters A A A A 1R A A A 1R 1R NH 0 / 3 0-3
Miami Open A A A A 1R A A A Q1 1R NH A 0 / 2 0-2
Rome Masters A A A A A A A A A Q1 Q2 A 0 / 0 0-0
Cincinnati Masters A A A A A A A A 2R Q1 A A 0 / 1 1-1
Canadian Open A A A A A A A A 2R 1R NH A 0 / 2 1-2
Shanghai Masters A A A A A A A A 2R Q2 NH 0 / 1 1-1
Win-Loss 0-0 0-0 0-0 0-0 0-2 0-0 0-0 0-0 3-4 0-3 0-0 0-0 0 / 9 3-9
Career statistics
2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 Career
Tournaments 1 1 2 3 11 0 0 0 8 14 1 0 41
Overall Win-Loss 0-1 0-1 1-2 1-3 2-11 0-0 0-0 0-0 5-8 4-14 0-1 0-0 13-41
Year-end ranking 798 669 248 97 148 513 852 214 76 135 149 24.07%


Tournament 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 SR W-L
Grand Slam tournaments
Australian Open A A A A A A A A A 1R A A 0 / 1 0-1
French Open A A A A 1R A A A A A A A 0 / 1 0-1
Wimbledon A A A A 1R A A A A A NH A 0 / 1 0-1
US Open 2R 1R 1R 1R 3R A A 1R 1R A A 0 / 7 3-7
Win-Loss 1-1 0-1 0-1 0-1 2-3 0-0 0-0 0-1 0-1 0-1 0-0 0-0 0 / 10 3-10


  1. ^ "Stanford Wins Two Titles". The New York Times. AP. May 31, 2010. Retrieved 2012.
  2. ^ Siegel, Alan. "2010 U.S. Open First Round Result: Victorious Sam Querrey Fights Below The Belt". SBNation.
  3. ^ a b c "ATP World Tennis Player".
  4. ^
  5. ^
  6. ^
  7. ^ a b c d e "Stanford Bradley Klahn Biography".

External links

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