[13] Garbine Muguruza 1-6,4-6 Marta Kostyuk [81] 2021-05-31 17:10
Stadium: Court Simonne Mathieu Round: 23 Ground: Clay
Home History
| WTA Róma | 2021/05/13 16:00 | Garbine Muguruza v Elina Svitolina | 4-6,2-6 |
| WTA Róma | 2021/05/12 09:55 | Garbine Muguruza v Bernarda Pera | 2-6,6-0,7-5 |
| WTA Róma | 2021/05/11 13:10 | Garbine Muguruza v Patricia Maria Tig | 6-1,6-2 |
| WTA Charleston | 2021/04/06 17:40 | Garbine Muguruza v Magdalena Frech | 6-1,6-3 |
| WTA Miami | 2021/03/30 01:20 | Bianca Andreescu v Garbine Muguruza | 3-6,6-3,6-2 |
| WTA Miami | 2021/03/28 19:00 | Anna Kalinskaya v Garbine Muguruza | 6-4,3-6,4-6 |
| WTA Miami | 2021/03/26 15:00 | Xinyu Wang v Garbine Muguruza | 4-6,1-6 |
| WTA Dubai | 2021/03/13 15:00 | Barbora Krejcikova v Garbine Muguruza | 6-7,3-6 |
Away History
| WTA Róma | 2021/05/10 10:15 | Marta Kostyuk v Ekaterina Alexandrova | 3-6,1-6 |
| WTA Róma | 2021/05/09 09:00 | Nao Hibino v Marta Kostyuk | 5-7,3-6 |
| WTA Róma | 2021/05/08 09:45 | Nuria Brancaccio v Marta Kostyuk | 4-6,0-6 |
| WTA Madrid | 2021/04/28 13:20 | Anastasija Sevastova v Marta Kostyuk | 6-1,7-5 |
| WTA Madrid | 2021/04/27 11:00 | Margarita Betova v Marta Kostyuk | 4-6,1-6 |
| WTA Istanbul | 2021/04/24 14:00 | Marta Kostyuk v Sorana Cirstea | 4-6,4-6 |
| WTA Istanbul | 2021/04/23 10:00 | Ana Konjuh v Marta Kostyuk | 5-7,6-4,3-6 |
| WTA Istanbul | 2021/04/21 10:00 | Marta Kostyuk v Daria Kasatkina | 6-3,7-5 |