Koukalová at the 2016 Aegon Classic Birmingham
|Country (sports)||Czech Republic|
|Residence||Prague, Czech Republic|
|Born||24 February 1982|
|Height||1.66 m (5 ft in)|
|Plays||Right-handed (two-handed backhand)|
|Career titles||3 WTA, 7 ITF|
|Highest ranking||No. 20 (15 April 2013)|
|Grand Slam Singles results|
|Australian Open||3R (2003)|
|French Open||4R (2012)|
|US Open||1R (2003-08, 2010-15)|
|Olympic Games||1R (2004, 2008, 2012)|
|Career titles||4 WTA, 0 ITF|
|Highest ranking||No. 31 (19 May 2014)|
|Grand Slam Doubles results|
|Australian Open||2R (2008, 2011, 2014)|
|French Open||3R (2012)|
|Wimbledon||2R (2010, 2011, 2014)|
|US Open||3R (2014)|
|Grand Slam Mixed Doubles results|
|US Open||1R (2014)|
Koukalová made her Grand Slam debut at the 2003 Australian Open, defeating fellow qualifier and Grand Slam debutante Maria Sharapova in the first round before going on to upset sixth-seed Monica Seles. Koukalová's run ended in the third round.
In January 2006, she played comeback player Martina Hingis, at the WTA tournament in Gold Coast, where she lost in the second round. Koukalová was seeded 29th at the Australian Open, but lost in the first round to Ekaterina Bychkova. In that year, she had ten first-round losses in singles and failed to win a doubles match.
In 2008, Koukalová reached the final of the inaugural Cachantun Cup in Chile. She played the top seed Flavia Pennetta, but was forced to retire due to a sprained ankle. This also forced her to withdraw from the next tournament in Bogotá, where she had made the quarterfinals in 2007.
Koukalová's biggest win came at the 2009 Andalucia Tennis Experience in Marbella, Spain. She defeated world No. 1 and ten-time Grand Slam champion Serena Williams in three sets. Williams was also her first round opponent at the French Open, Koulalová this time lost.
In the first round of the Polsat Warsaw Open, Koukalová caused a big upset by defeating fourth seed and world No. 14 Marion Bartoli. She was then defeated by world No. 205 Gréta Arn in the second round.
At the Wimbledon Championships, Koukalová advanced to the fourth round for the first time at a Grand Slam. She scored upset wins over 18th seed Aravane Rezaï and tenth seed Flavia Pennetta, before falling to qualifier Kaia Kanepi.
Koukalová made the final at the Danish Open, where she lost to then world No. 3 Caroline Wozniacki. She defeated Rossana de los Rios, Tatjana Malek, Sorana Cîrstea, and Li Na en route to the final. After this tournament, she could not match her performance as she went on to do poorly in her last four tournaments, only advancing to the second round at Linz, where she lost to Patty Schnyder.
Koukalová started her 2011 season at the Hobart International, after having to withdraw from the Brisbane International. She made the semifinals in Hobart, upsetting the top seeded Marion Bartoli in the quarterfinals, before falling to her doubles partner Jarmila Groth.
At the Australian Open, Koukalová defeated American Melanie Oudin in three sets in the first round, before falling to fellow Czech Lucie ?afá?ová in three sets in the second round. This was Koukalová's first victory at the Australian Open since 2003.
After her defeat at Roland Garros, Koukalová traveled to Copenhagen to defend her finalist points from the year before. Seeded second, she was upset in the first round by German Kathrin Wörle.
Koukalová then returned to the site of her greatest Grand Slam accomplishment, Wimbledon. Unseeded, she came from a set down to defeat British wildcard Emily Webley-Smith in the first round. In the second round, she avenged her Australian Open loss by upsetting 31st seed Lucie ?afá?ová in three sets. In the third round, Koukalová fell to eventual finalist Maria Sharapova.
After Wimbledon, Koukalová made the semifinals in Budapest, where she lost to the eventual champion Roberta Vinci, and then made the quarterfinals in Palermo, where she lost to eventual finalist Polona Hercog.
She began her year by competing at the Shenzhen Open. As the third seed and last year finalist, she defeated Donna Veki? in the first round 6-3, 7-5. In the second round, she lost to Patricia Mayr-Achleitner. In doubles, Koukalová and Niculescu won the title defeating Lyudmyla Kichenok/Nadiia Kichenok in the final 6-3, 6-4. Seeded seventh at the Hobart International, she reached the final by defeating Yvonne Meusburger, Zhang Shuai, Alison Riske, and top seed Samantha Stosur. In the final, she lost to qualifier Garbiñe Muguruza 4-6, 0-6. However, in doubles, Koukalová and Niculescu won the title defeating Lisa Raymond/Zhang Shuai in the final 6-2, 6-7, 10-8. Ranked 32 at the Australian Open, Koukalová lost in the first round to 17th seed Sam Stosur 3-6, 4-6; Zakopalová had defeated Stosur three days earlier in Hobart.
After that, she played at the Open GDF Suez where she defeated French wild card Caroline Garcia in the first round 7-6, 6-2, before she lost to fourth seed and 2012 Open GdF Suez champion Angelique Kerber 2-6, 5-7. Playing against Spain at the Fed Cup, Koukalová won her first rubber over María Teresa Torró Flor 6-3, 2-6, 6-1, but she lost her second to Carla Suárez Navarro 6-1, 3-6, 3-6. In the end, the Czech Republic defeated Spain 3-2. At the Qatar Total Open, Koukalová won her first-round match over Elina Svitolina 6-2, 6-4. In the second round, she upset ninth seed Ana Ivanovic 4-6, 6-1, 6-3. In the third round, she lost to sixth seed and eventual finalist Angelique Kerber 2-6, 3-6. At the first edition of the Rio Open, Koukalová was the top seed. She reached the final defeating Mariana Duque Mariño, Sílvia Soler Espinosa, Katarzyna Piter, and Brazilian Teliana Pereira. In the final, she lost to fifth seed Kurumi Nara 6-1, 4-6, 6-1. Seeded third at the Brasil Tennis Cup, Koukalová reached the final by defeating Donna Veki?, qualifier Alizé Lim, qualifier Alexandra Dulgheru, and top seed Carla Suárez Navarro. In the final, she defeated second seed Garbiñe Muguruza 4-6, 7-5, 6-0 to win her third WTA singles title. As the 28th seed at the BNP Paribas Open, Koukalová received a bye into the second round. She lost in the second round to compatriot Karolína Plí?ková 7-5, 6-2. At the Sony Open Tennis, Koukalová was not only the 27th seed, but she also received a bye to the second round. She was defeated by world No. 74 Caroline Garcia 7-6, 7-6. Seeded fifth at the Katowice Open, Koukalová made it to the quarterfinals beating Magda Linette and Annika Beck. In the quarterfinals, Koukalová lost to fourth seed and eventual champion Alizé Cornet 2-6, 6-0, 2-6. In doubles, she and Niculescu reached the final where they lost to Yuliya Beygelzimer & Olga Savchuk 4-6, 7-5, [7-10].
Koukalová began her clay-court season at the Porsche Tennis Grand Prix. She lost in the first round to eighth seed Sara Errani 3-6, 4-6. At the Mutua Madrid Open, she lost in the first round to eighth seed and eventual champion Maria Sharapova 1-6, 2-6. Returning home to play at the Sparta Prague Open, Koukalová lost in the first round to eventual champion Heather Watson 2-6, 4-6. She played in her final tournament before the French Open at the Nürnberger Versicherungscup. Seeded third, she was defeated in the first round by world No. 61 Polona Hercog 1-6, 6-2, 6-1. Seeded 30th at the French Open, Koukalová lost in the first round to María Teresa Torró Flor 6-7, 2-6.
Koukalová began her grass-court season at the Aegon Classic as the sixth seed. After receiving a first-round bye, she defeated Virginie Razzano 5-7, 7-6, 7-6. In the third round, she defeated CoCo Vandeweghe 3-6, 7-6(3), 6-4. In the quarterfinals, Koukalová lost to top-seed and eventual champion Ana Ivanovic 1-6, 4-6. Seeded eighth at the Topshelf Open, she advanced to the semifinals beating María Teresa Torró Flor, qualifier Mona Barthel, and Yaroslava Shvedova. She lost her semifinal match to qualifier and eventual champion CoCo Vandeweghe 4-6, 2-6. As the 31st seed at Wimbledon, Koukalová defeated wildcard Taylor Townsend in the first round 7-5, 6-2. She lost in the second round to Madison Keys 5-7, 7-6, 2-6
Seeded third at the first edition of the Bucharest Open, Koukalová lost in the first round to Romanian Monica Niculescu 3-6, 0-6. Seeded third at the ?stanbul Cup, she survived a first-round scare to beat Donna Veki? 4-6, 6-0, 6-4. In the second round, she was upset by Kristina Mladenovic 6-1, 6-3.
Koukalová began the US Open series at the Rogers Cup. She had a first-round victory over qualifier Kiki Bertens. In the second round, she lost to 11th seed Caroline Wozniacki 1-6, 2-6. At the Western & Southern Open, Koukalová was defeated in the first round by American qualifier Taylor Townsend 6-3, 4-6, 7-5. Competing at the Connecticut Open, her final tournament before the US Open, Koukalová was defeated in the first round by sixth seed Flavia Pennetta 6-1, 6-3. Ranked 63 at the US Open, Koukalová lost in the first round to compatriot Petra Cetkovská 1-6, 6-2, 3-6.
Seeded third at the Korea Open, Koukalová started the tournament by defeating Kiki Bertens in the first round 6-0, 4-6, 6-4. She lost in the second round to wildcard Maria Kirilenko in three sets. Playing at the first edition of the Wuhan Open, Koukalová lost in the first round to qualifier Zarina Diyas 4-6, 7-6, 2-6. She lost to Diyas again at the China Open, 1-6, 4-6. At Linz, Koukalová lost in the second round to Marina Erakovic 0-6, 2-6. Koukalová played her final tournament of the season at the Kremlin Cup. She retired in her first-round match after losing the first set 1-6 to fifth seed Svetlana Kuznetsova due to illness.
Koukalová ended the year ranked 41.
Koukalová began the season at the Shenzhen Open. Seeded fifth, she lost in the first round to Anna Karolína Schmiedlová 3-6, 6-4, 6-7. As the sixth seed and last year finalist at the Hobart International, Koukalová was defeated in round one by Kurumi Nara 0-6, 6-2, 6-1. Ranked 46 at the Australian Open, she beat Australian wildcard Storm Sanders in the first round 7-5, 6-4. In the second round, Koukalová lost to Julia Görges 3-6, 6-4, 2-6.
In February, Koukalová was defeated competed at the Diamond Games in Antwerp in the first round by qualifier Francesca Schiavone 6-3, 6-1. At the Dubai Tennis Championships, she lost in the first round to Tsvetana Pironkova 3-6, 6-4, 3-6. Seeded fourth for qualifying at the Qatar Total Open, Koukalová lost in the first round of qualifying to Hsieh Su-wei 0-6, 2-6. Seeded fifth at the Malaysian Open, she was defeated in the second round by German Carina Witthöft 7-6, 6-0. Ranked 88 at the BNP Paribas Open, she defeated Daniela Hantuchová in her first-round match 6-4, 1-6, 6-3. In the second round, Koukalová lost to 16th seed Madison Keys 3-6, 2-6.
On 6 June 2006, Klára married Czech footballer Jan Zakopal, but they divorced in January 2014. From June 2006 to March 2014, she used her married name Zakopalová while competing, switching back to Koukalová in April 2014.
|Runner-up||1.||20 May 2001||Belgian Open, Antwerp||Clay||Barbara Rittner||3-6, 2-6|
|Runner-up||2.||14 July 2002||Grand Prix SAR, Casablanca||Clay||Patricia Wartusch||7-5, 3-6, 3-6|
|Runner-up||3.||2 August 2003||Idea Prokom Open, Sopot (1)||Clay||Anna Smashnova||2-6, 0-6|
|Runner-up||4.||19 June 2004||Rosmalen Grass Court Championships, 's-Hertogenbosch||Grass||Mary Pierce||6-7(6-8), 2-6|
|Runner-up||5.||14 August 2004||Idea Prokom Open, Sopot (2)||Clay||Flavia Pennetta||5-7, 6-3, 3-6|
|Winner||1.||18 June 2005||Rosmalen Grass Court Championships, 's-Hertogenbosch||Grass||Lucie ?afá?ová||3-6, 6-2, 6-2|
|Runner-up||6.||24 July 2005||Internazionali Femminili di Palermo, Palermo||Clay||Anabel Medina Garrigues||4-6, 0-6|
|Winner||2.||25 September 2005||Slovenia Open, Portoro?||Hard||Katarina Srebotnik||6-2, 4-6, 6-3|
|Runner-up||7.||17 February 2008||Cachantún Cup, Viña del Mar||Clay||Flavia Pennetta||4-6, 4-5 ret.|
|Runner-up||8.||8 August 2010||Danish Open, Copenhagen||Carpet (i)||Caroline Wozniacki||2-6, 6-7(5-7)|
|Runner-up||9.||26 September 2010||Korea Open, Seoul||Hard||Alisa Kleybanova||1-6, 3-6|
|Runner-up||10.||6 January 2013||Shenzhen Open, Shenzhen||Hard||Li Na||3-6, 6-1, 5-7|
|Runner-up||11.||11 January 2014||Hobart International, Hobart||Hard||Garbiñe Muguruza||4-6, 0-6|
|Runner-up||12.||23 February 2014||Rio Open, Rio de Janeiro||Clay||Kurumi Nara||1-6, 6-4, 1-6|
|Winner||3.||1 March 2014||Brasil Tennis Cup, Florianópolis||Hard||Garbiñe Muguruza||4-6, 7-5, 6-0|
|Runner-up||1.||17 September 2001||Bell Challenge, Quebec City||Carpet (i)||Alena Va?ková|| Samantha Reeves
Adriana Serra Zanetti
|5-7, 6-4, 3-6|
|Runner-up||2.||25 July 2009||Slovenia Open, Portoro?||Hard||Camille Pin|| Julia Görges
|Runner-up||3.||24 October 2009||Kremlin Cup, Moscow||Hard (i)||Maria Kondratieva|| Maria Kirilenko
|Winner||1.||18 June 2011||UNICEF Open, 's-Hertogenbosch||Grass||Barbora Záhlavová-Strýcová|| Dominika Cibulková
|1-6, 6-4, [10-7]|
|Runner-up||4.||16 July 2011||Internazionali Femminili di Palermo||Clay||Andrea Hlavá?ková|| Sara Errani
|Runner-up||5.||22 June 2013||Eastbourne International||Grass||Monica Niculescu|| Nadia Petrova
|Winner||2.||21 July 2013||Swedish Open, Båstad||Clay||Anabel Medina Garrigues|| Alexandra Dulgheru
|Winner||3.||4 January 2014||Shenzhen Open||Hard||Monica Niculescu|| Lyudmyla Kichenok
|Winner||4.||11 January 2014||Hobart International||Hard||Monica Niculescu|| Lisa Raymond
|6-2, 6-7(5-7), [10-8]|
|Runner-up||6.||13 April 2014||Katowice Open||Hard (i)||Monica Niculescu|| Yuliya Beygelzimer
|4-6, 7-5, [7-10]|
|Grand Slam tournaments|
|Summer Olympics||Not Held||1R||Not Held||1R||Not Held||1R||Not Held||A||0-3|
|WTA Premier Mandatory tournaments|
|Beijing||Not Tier I||A||1R||2R||A||1R||1R||A||A||1-4|
2 Koukalová had to withdraw from the 2016 Miami Open due to a shoulder injury.