WTA Indian Wells 03/09 19:00 23 [45] Katerina Siniakova v Jule Niemeier [72] 7-5,6-4
WTA Monterrey 02/28 19:55 25 [45] Katerina Siniakova v Kamilla Rakhimova [97] 6-7,6-2,6-7
WTA Merida 02/26 04:00 28 [47] Katerina Siniakova v Camila Giorgi [68] 5-7,6-7
WTA Merida 02/25 02:15 27 [54] Elisabetta Cocciaretto v Katerina Siniakova [47] 1-6,7-5,0-6
WTA Merida 02/24 04:00 26 [95] Ysaline Bonaventure v Katerina Siniakova [47] 0-6,5-7
WTA Merida 02/21 21:00 25 [100] Lesia Tsurenko v Katerina Siniakova [47] Retired
WTA Linz 02/08 10:00 25 Irina-Camelia Begu v Katerina Siniakova Cancelled
Australian Open - Kvinner 01/16 00:00 23 [46] Katerina Siniakova v Coco Gauff [7] 1-6,4-6
WTA Adelaide 2 01/11 10:45 26 [4] Caroline Garcia v Katerina Siniakova [48] 6-3,3-6,7-5
WTA Adelaide 2 01/10 04:45 25 [45] Anastasia Potapova v Katerina Siniakova [48] Retired
WTA Adelaide 2 01/08 05:40 19 [56] Ana Bogdan v Katerina Siniakova [49] 7-6,5-7,5-7
WTA Adelaide 2 01/07 06:45 14 [277] Alexandra Osborne v Katerina Siniakova [49] 0-6,4-6
WTA Adelaide 01/01 01:05 19 [49] Katerina Siniakova v Claire Liu [59] 6-0,3-6,1-6
WTA Adelaide 12/31 03:35 45 [49] Katerina Siniakova v Kamilla Rakhimova [94] 6-3,7-6
Billie Jean King Cup 11/11 18:50 - [47] Katerina Siniakova v Cori Gauff [7] 7-6,6-1
WTA Tampico 10/27 22:30 27 [62] Lin Zhu v Katerina Siniakova [49] 6-4,7-5
WTA Tampico 10/27 02:45 26 [118] Magdalena Frech v Katerina Siniakova [49] 3-6,6-7
WTA Tampico 10/25 20:00 25 [120] Alycia Parks v Katerina Siniakova [49] 0-6,3-6
WTA Guadalajara 10/19 17:45 25 [54] Katerina Siniakova v Martina Trevisan [28] 0-6,6-4,3-6
WTA Guadalajara 10/18 16:00 24 [18] Beatriz Haddad Maia v Katerina Siniakova [54] 5-7,2-6
WTA Monastir 10/05 10:00 26 [73] Claire Liu v Katerina Siniakova [53] 7-5,6-2
WTA Monastir 10/03 10:00 25 [112] Chloe Paquet v Katerina Siniakova [53] Retired
WTA Portoroz 09/18 16:00 29 [82] Katerina Siniakova v Elena Rybakina [25] 6-7,7-6,6-4
WTA Portoroz 09/17 18:25 28 [213] Anna-Lena Friedsam v Katerina Siniakova [82] 1-6,5-7
WTA Portoroz 09/17 13:30 27 [82] Katerina Siniakova v Jasmine Paolini [55] 6-2,3-6,7-6
WTA Portoroz 09/15 11:10 26 [82] Katerina Siniakova v Jodie Anna Burrage [151] 7-5,6-1
WTA Portoroz 09/14 09:00 25 [27] Martina Trevisan v Katerina Siniakova [82] 1-6,4-6
US Open - Kvinner 09/01 18:25 24 [40] Alize Cornet v Katerina Siniakova [83] 6-1,1-6,6-3
US Open - Kvinner 08/30 23:10 23 [197] Taylor Townsend v Katerina Siniakova [83] 4-6,6-4,2-6
WTA Cleveland 08/22 18:00 25 [35] Shuai Zhang v Katerina Siniakova [77] 6-2,6-1

Wikipedia - Kateřina Siniaková

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.