Cetkovská at the 2015 Wimbledon Championships
|Country (sports)||Czech Republic|
|Born||8 February 1985|
(now Czech Republic)
|Height||1.72 m (5 ft in)|
|Plays||Right-handed (two-handed backhand)|
|Career titles||23 ITF|
|Highest ranking||No. 25 (18 June 2012)|
|Grand Slam Singles results|
|Australian Open||2R (2012)|
|French Open||4R (2008)|
|US Open||3R (2015)|
|Career titles||2 WTA, 25 ITF|
|Highest ranking||No. 91 (13 June 2011)|
|Grand Slam Doubles results|
|Australian Open||2R (2012)|
|French Open||1R (2007, 2008, 2009, 2012, 2014, 2015)|
|Wimbledon||1R (2007, 2008, 2012, 2014)|
|US Open||2R (2013, 2014)|
Petra Cetkovská (Czech pronunciation: ['p?tra 'ts?tkofska:]; born 8 February 1985 in Prost?jov, Czechoslovakia) is an inactive tennis player from the Czech Republic. Having turned professional in 2000, she reached her career-high singles ranking of world No. 25 on 18 June 2012. Over her career, Cetkovská defeated top ten players Marion Bartoli, Elena Dementieva, Angelique Kerber, Li Na, Agnieszka Radwa?ska, Caroline Wozniacki, and Vera Zvonareva.
Cetkovská has been playing tennis since she was five. Her father Petr works at a pro shop in a local tennis club, while her mother Alena is a nurse. She has one younger brother, Mat?j. Petra's father is of Macedonian origin.
When she was 14, Cetkovská was involved in an incident with a friend while playing sport where her friend had accidentally pushed her against a wall. Two years later, she had brain surgery due to the swelling caused by the incident. A year later, she had contracted glandular fever, further hampering her tennis career prospects and the third obstacle had come when she broke her foot playing junior doubles final at the Australian Open. 
In 2000, Cetkovská played the first events on the ITF Women's Circuit, winning one doubles title. The following year, she won two singles titles and one doubles title. In 2002, when she competed in her first WTA Tour qualifying at Palermo, Cetkovská won two singles and two doubles titles on the ITF circuit.
She won another singles title in 2003, and three ITF doubles titles in 2004. The following year, Cetkovská fell in WTA qualifying twice; but she won six singles and three doubles titles on the ITF circuit. In 2006, she lost in Grand Slam qualifyings three times, at Roland Garros, Wimbledon and the US Open; however, she won one singles title and three doubles titles on ITF events.
In 2007, she made a breakthrough in her WTA ranking. She won three ITF titles, and her first WTA doubles title with compatriot Andrea Hlavá?ková at the Prague Open defeating Chinese pair Ji Chunmei/Sun Shengnan in the final.
As the 22nd seed in qualifying at the US Open, Cetkovská qualified for the main draw defeating Abigail Spears, Lucie Hradecká, and Anne Keothavong. She made her Grand-Slam debut beating American Jill Craybas in the first round but ended up losing in the second round to 14th seed Elena Dementieva.
Cetkovská ended the season ranked 99.
Cetkovská began her season by playing qualifying at the Hobart International where she lost in the second round to third seed Ashley Harkleroad. At the Australian Open, she was defeated in the first round by world No. 34 Anabel Medina Garrigues.
Cetkovská began her season during the last week of January at the Open GDF Suez. She lost in the final round of qualifying to Anna-Lena Friedsam. The week of February 10th saw Cetkovská compete at the Qatar Total Open. As the thirteenth seed for qualifying, she advanced to the main draw defeating wildcard Michaela Hon?ová and Anastasia Rodionova. She had a good run reaching the quarterfinals beating fourteenth seed Sloane Stephens, Shuai Zhang, and top seed and World Number three Li Na. Cetkovská ended up losing in the quarterfinals to sixth seed and eventual finalist Angelique Kerber. She was only able to win one game during the match.
In March, Cetkovská traveled to Indian Wells, California to compete at the Indian Wells Masters. She was defeated in the first round by American wildcard Shelby Rogers. The week after Indian Wells, Cetkovská played at the Miami Masters. Seeded tenth for qualifying, she lost in the final round of qualifying to twentieth seed Estrella Cabeza Candela. After Miami, Cetkovská stayed in Florida and competed at The Oaks Club Challenger. As the seventh seed, she beat American Melanie Oudin in the first round. Her campaign at the tournament ended as she withdrew from her second round match versus Kiki Bertens.
Cetkovská started off her clay court season in Charleston at the Family Circle Cup.
Cetkovská withdrew from the Australian Open due to a hip injury. Cetkovská returned from injury in March at the Indian Wells Masters. She lost in the first round to American Christina McHale. After Indian Wells, she went on to compete at the Miami Open. Cetkovská was defeated in the first round by wild card Paula Badosa Gibert.
Cetkovská began her grass-court season seeded third at the Surbiton Trophy. After a first-round win over British wild card Laura Deigman, she faced another British player, Naomi Broady. Cetkovská ended up losing in the second round to Broady. She had another first-round loss, this time at the Birmingham Classic, to qualifier Marina Erakovic. Cetkovská qualified for Wimbledon defeating Renata Vorá?ová, 15th seed Donna Veki?, and Elise Mertens. In the main draw, she lost in the first round to Tímea Babos.
Two weeks later, Cetkovská competed at the ITS Cup in her home country where she was the third seed and the defending champion. She advanced to the final with wins over Rebecca ?ramková, Irina Ramialison, sixth seed Akgul Amanmuradova, and Ekaterina Alexandrova. Cetkovská ended up losing in the final to top seed and compatriot Barbora Krej?íková. During the week of July 27th, Cetkovská traveled to Poland to play at the Powiat Pozna?ski Open. She would go on to win the title defeating Sofia Shapatava, seventh seed Romina Oprandi, third seed Richèl Hogenkamp, qualifier and compatriot Martina Borecká, and fourth seed Je?ena Ostapenko. The week of August 10th saw Cetkovská playing a minor league tournament in Prague, the Prague Open, which was a brand new tournament. Playing as a wild card, she lost in the semifinals to seventh seed María Teresa Torró Flor.
Cetkovská had a great run at the 2015 US Open. She started off the tournament by beating American Christina McHale in the first round in three sets. In the second round, Cetkovská had a huge win, upsetting fourth seed and last year finalist Caroline Wozniacki. She saved four match points to complete the upset. In the third round, she lost to twenty-sixth seed and eventual champion Flavia Pennetta. Nevertheless, this was her best result at the US Open.
After the US Open, Cetkovská played at the ITF L'Open 35 de Saint-Malo. After winning her first-round match, she retired during her match against Laura Pous Tió. This ended up being her last tournament of the year.
Cetkovská ended the season ranked 131.
Cetkovská was supposed to start her season at the Hobart International, but she withdrew before the tournament started due to a lower back injury. She returned to action by competing at the Australian Open. This is the 1st time since 2012 that Cetkovská played this tournament. She lost in the first round to thirtieth seed Sabine Lisicki.
In March, Cetkovská played at the Indian Wells Masters. She was crushed in the first round by compatriot Denisa Allertová. The week after Indian Wells, she flew to Miami to play at the Miami Open. Cetkovská was again crushed in the first round, this time by British wildcard Heather Watson.
Cetkovská was going to begin her clay court season at the Volvo Car Open in Charleston, but she withdrew from the tournament due to a right thigh injury. She returned in May to play at the French Open. Due to having a low ranking (136), she played qualifying in order to make it into the main draw. She retired in the first round of qualifying to eighteenth seed Kristína Ku?ová.
During the week of July 11th, Cetkovská competed in her country at the ITS Cup. Despite being the second seed and last year finalist, she lost in the second round to compatriot Gabriela Pantková. Two weeks later, Cetkovská played another tournament in her country, the Advantage Cars Prague Open. There, she was defeated in the first round by Rebecca Peterson.
Cetkovská did not play anymore tournaments for the rest of the season. She ended 2016 ranked 581.
|WTA Tour Championships (0-0)|
|Premier Mandatory & Premier 5 (0-0)|
|Runner-up||1.||27 August 2011||Connecticut Open, New Haven||Hard||Caroline Wozniacki||4-6, 1-6|
|WTA Tour Championships (0-0)|
|Premier Mandatory & Premier 5 (0-0)|
|Winner||1.||13 May 2007||ECM Prague Open, Czech Republic||Clay||Andrea Hlavá?ková|| Chunmei Ji
|Runner-up||1.||1 March 2008||Abierto Mexicano Telcel, Acapulco||Clay||Iveta Bene?ová|| Nuria Llagostera Vives
María José Martínez Sánchez
|Runner-up||2.||3 August 2008||Nordea Nordic Light Open, Stockholm, Sweden||Hard||Lucie ?afá?ová|| Iveta Bene?ová
|Winner||2.||28 April 2012||Grand Prix SAR La Princesse Lalla Meryem, Fes, Morocco||Clay||Alexandra Panova|| Irina-Camelia Begu
|3-6, 7-6(7-5), [11-9]|
|Runner-up||3.||2 March 2014||Abierto Mexicano Telcel, Acapulco||Hard||Iveta Melzer|| Kristina Mladenovic
|3-6, 6-2, [5-10]|
|1.||Marion Bartoli||No. 10||DFS Classic, Birmingham||Grass||2nd round||5-7, 6-4, 6-0|
|2.||Elena Dementieva||No. 4||2009 BNP Paribas Open, Indian Wells||Hard||2nd round||7-6(7-2), 2-6, 6-1|
|3.||Marion Bartoli||No. 9||Connecticut Open, New Haven||Hard||Quarterfinals||7-5, 7-5|
|4.||Li Na||No. 7||Connecticut Open, New Haven||Hard||Semifinals||6-2, 5-7, 7-6(11-9)|
|5.||Vera Zvonareva||No. 10||Madrid Open||Clay||1st round||6-2, 6-2|
|6.||Agnieszka Radwa?ska||No. 3||Internazionali BNL d'Italia, Rome||Clay||2nd round||6-4, 4-6, 6-1|
|7.||Caroline Wozniacki||No. 9||Wimbledon, London||Grass||2nd round||6-2, 6-2|
|8.||Li Na||No. 3||Qatar Ladies Open, Doha||Hard||3rd round||7-6(7-2), 2-6, 6-4|
|9.||Angelique Kerber||No. 9||Internazionali BNL d'Italia, Rome||Clay||2nd round||4-6, 6-3, 6-4|
|10.||Caroline Wozniacki||No. 5||US Open, New York||Hard||2nd round||6-4, 5-7, 7-6(7-1)|