[131] Tsvetana Pironkova 7-6,3-6,6-3 Marta Kostyuk [85] 2021-03-24 22:15
Stadium: Court 6 Round: 23 Ground: Hardcourt outdoor
Home History
| WTA Miami | 2021/03/23 14:00 | Olga Govortsova v Tsvetana Pironkova | 0-6,3-6 |
| WTA Miami | 2021/03/22 15:30 | Tsvetana Pironkova v Caty McNally | 7-6,7-6 |
| Australian Open Women | 2021/02/08 04:05 | Su-Wei Hsieh v Tsvetana Pironkova | 7-5,6-2 |
| WTA Yarra Valley Classic | 2021/02/03 07:30 | Tsvetana Pironkova v Serena Williams | 1-6,4-6 |
| WTA Yarra Valley Classic | 2021/02/01 03:50 | Donna Vekic v Tsvetana Pironkova | 6-1,4-6,2-6 |
| WTA Yarra Valley Classic | 2021/01/31 07:10 | Tsvetana Pironkova v Ludmilla Samsonova | 6-2,6-1 |
| Australian Open Women | 2021/01/13 06:00 | Margarita Betova v Tsvetana Pironkova | 3-6,5-7 |
| Australian Open Women | 2021/01/12 08:00 | Na-Lae Han v Tsvetana Pironkova | 0-6,6-3,1-6 |
Away History
| Australian Open Women | 2021/02/08 04:15 | Veronika Kudermetova v Marta Kostyuk | 6-2,7-6 |
| WTA Grampians Trophy | 2021/02/05 02:05 | Jennifer Brady v Marta Kostyuk | 6-1,6-4 |
| WTA Grampians Trophy | 2021/02/02 23:30 | Gabriela Dabrowski v Marta Kostyuk | 0-6,3-6 |
| WTA Abu Dhabi | 2021/01/12 09:15 | Marta Kostyuk v Veronika Kudermetova | 6-7,4-6 |
| WTA Abu Dhabi | 2021/01/11 10:05 | Marta Kostyuk v Sara Sorribes Tormo | 0-6,6-1,6-4 |
| WTA Abu Dhabi | 2021/01/10 06:00 | Marta Kostyuk v Tamara Zidansek | 6-1,6-1 |
| WTA Abu Dhabi | 2021/01/09 06:00 | Su-Wei Hsieh v Marta Kostyuk | 3-6,7-6,3-6 |
| WTA Abu Dhabi | 2021/01/07 08:35 | Marta Kostyuk v Lucie Hradecka | 6-2,6-4 |