WTA Strasbourg | 09/24 14:30 | 27 | [62] Katerina Siniakova v Aryna Sabalenka [12] | 6-2,3-6,3-6 | |
WTA Strasbourg | 09/23 12:25 | 26 | [31] Ekaterina Alexandrova v Katerina Siniakova [62] | 2-6,4-6 | |
WTA Strasbourg | 09/21 13:55 | 25 | [61] Katerina Siniakova v Bernarda Pera [60] | 4-6,7-6,6-1 | |
WTA Rooma | 09/17 09:00 | 25 | [74] Daria Kasatkina v Katerina Siniakova [61] | 6-2,6-3 | |
WTA Rooma | 09/15 09:00 | 24 | [61] Katerina Siniakova v Angelique Kerber [22] | 6-3,6-1 | |
USA lahtised meistrivõistlused - naised | 09/01 21:40 | 23 | [57] Katerina Siniakova v Kaia Kanepi [100] | 1-6,2-6 | |
WTA New York | 08/23 16:45 | 24 | [55] Katerina Siniakova v Kirsten Flipkens [79] | 3-6,3-6 | |
WTA Praha | 08/11 16:50 | 25 | [72] Tamara Zidansek v Katerina Siniakova [54] | 6-3,3-6,6-0 | |
LiveScore Cup – naised | 06/05 13:30 | 44 | [3] Karolina Pliskova v Katerina Siniakova [54] | 6-1,6-0 | |
LiveScore Cup – naised | 06/04 16:35 | 44 | [54] Katerina Siniakova v Barbora Strycova [31] | 2-6,1-6 | |
Tšehhi Tennis Association Cup – naised | 05/27 13:25 | 28 | [12] Petra Kvitova v Katerina Siniakova [54] | 7-5,6-4 | |
Tšehhi Tennis Association Cup – naised | 05/26 13:30 | - | Katerina Siniakova v Lucie Hradecka | View | |
WTA Indian Wells | 03/05 20:15 | 26 | [53] Katerina Siniakova v Vera Zvonareva [319] | 6-3,3-6,4-6 | |
WTA Indian Wells | 03/03 23:50 | 25 | [53] Katerina Siniakova v Sachia Vickery [156] | 7-5,2-6,6-0 | |
WTA Doha | 02/23 17:15 | 24 | [45] Ons Jabeur v Katerina Siniakova [58] | 6-3,6-2 | |
WTA Doha | 02/22 10:15 | 46 | [58] Katerina Siniakova v Timea Babos [100] | 6-3,6-4 | |
WTA Doha | 02/21 13:40 | 45 | [58] Katerina Siniakova v Xinyun Han [190] | 6-2,6-2 | |
WTA Dubai | 02/19 14:05 | 26 | [19] Elena Rybakina v Katerina Siniakova [58] | 6-3,6-3 | |
WTA Dubai | 02/18 08:00 | 25 | [27] Karolina Muchova v Katerina Siniakova [58] | 4-6,6-4,0-6 | |
WTA Dubai | 02/17 08:15 | 46 | [58] Katerina Siniakova v Alison Van Uytvanck [48] | 5-7,6-2,7-5 | |
WTA Dubai | 02/16 10:50 | 45 | [59] Katerina Siniakova v Giulia Gatto Monticone [149] | 6-1,6-4 | |
WTA Dubai | 02/15 13:35 | 44 | [36] Saisai Zheng v Katerina Siniakova [59] | 6-7,4-6 | |
WTA St. Petersburg | 02/10 10:00 | 25 | [59] Katerina Siniakova v Elena Rybakina [25] | 3-6,4-6 | |
Austraalia lahtised meistrivõistlused - naised | 01/20 03:35 | 23 | [57] Katerina Siniakova v Petra Kvitova [8] | 1-6,0-6 | |
WTA Shenzhen | 01/05 07:20 | 25 | [58] Katerina Siniakova v Ekaterina Alexandrova [35] | 4-6,4-6 | |
Tšehhi Extraliga – naised | 12/15 11:45 | 1 | Brenda Fruhvirtova v Katerina Siniakova | 6-3,2-6,5-7 | |
Tšehhi Extraliga – naised | 12/14 09:00 | 1 | [133] Tereza Martincova v Katerina Siniakova [58] | 6-1,6-4 | |
WTA Moskva | 10/15 11:20 | 25 | [49] Polona Hercog v Katerina Siniakova [60] | 6-4,6-2 | |
WTA Linz | 10/08 15:00 | 25 | [46] Kristina Mladenovic v Katerina Siniakova [58] | 6-1,7-5 | |
WTA Peking | 10/03 04:30 | 26 | [19] Caroline Wozniacki v Katerina Siniakova [47] | 7-5,6-4 |
Kateřina Siniaková (Czech pronunciation: [ˈkatɛr̝ɪna ˈsɪɲakovaː]; born 10 May 1996) is a Czech professional tennis player. She is a former world No. 1 in doubles.
Siniaková is a seven-time Grand Slam champion in women's doubles, partnering fellow Czech Barbora Krejčíková, having completed the career Super Slam in the discipline. The pairing also finished runners-up at the 2021 Australian Open, and Siniaková reached the final at the 2017 US Open with Lucie Hradecká. She became world No. 1 for the first time in October 2018, and has held the top ranking in doubles for a total of 115 weeks, the sixhth highest total since the beginning of the WTA rankings. Siniaková has won 24 doubles titles on the WTA Tour, including the 2021 WTA Finals and three at WTA 1000 level.
In singles, Siniaková reached her career-high ranking of world No. 31 in October 2018, and has won five WTA titles, at the Shenzhen Open and Swedish Open in 2017, the Slovenia Open in 2022, and the Bad Homburg Open and Jiangxi Open in 2023. Her best major result was at the 2019 French Open, upsetting world No. 1 and reigning US and Australian Open champion Naomi Osaka en route to the fourth round; she has also reached the third round at seven other major tournaments.
Siniaková was part of the Czech team which won the 2018 Fed Cup, and also won doubles gold at the 2020 Tokyo Olympics alongside Krejčíková.