[18] Simona Halep 6-0,6-1 Marta Kostyuk [55] 2021-10-30 14:00
Stadium: Center Court Round: 28 Ground: Hardcourt indoor
Head to Head
| WTA - Indian Wells | 2021/10/08 19:30 | Marta Kostyuk v Simona Halep | 6-7,1-6 |
Home History
| WTA - Cluj-Napoca | 2021/10/29 15:00 | Simona Halep v Jaqueline Adina Cristian | 6-1,6-1 |
| WTA - Cluj-Napoca | 2021/10/28 15:00 | Simona Halep v Varvara Gracheva | 6-4,6-2 |
| WTA - Cluj-Napoca | 2021/10/27 12:30 | Simona Halep v Elena-Gabriela Ruse | 6-1,6-2 |
| WTA - Moskva | 2021/10/22 12:50 | Maria Sakkari v Simona Halep | 6-4,6-4 |
| WTA - Moskva | 2021/10/21 16:00 | Veronika Kudermetova v Simona Halep | 1-6,6-7 |
| WTA - Moskva | 2021/10/19 13:20 | Anastasia Potapova v Simona Halep | 1-6,4-6 |
| WTA - Indian Wells | 2021/10/10 23:20 | Aliaksandra Sasnovich v Simona Halep | 7-5,6-4 |
| WTA - Indian Wells | 2021/10/08 19:30 | Marta Kostyuk v Simona Halep | 6-7,1-6 |
Away History
| WTA - Cluj-Napoca | 2021/10/29 16:25 | Emma Raducanu v Marta Kostyuk | 2-6,1-6 |
| WTA - Cluj-Napoca | 2021/10/28 09:00 | Mona Barthel v Marta Kostyuk | 4-6,4-6 |
| WTA - Cluj-Napoca | 2021/10/26 09:00 | Bernarda Pera v Marta Kostyuk | 3-6,4-6 |
| WTA - Tenerife | 2021/10/18 09:30 | Marta Kostyuk v Irina-Camelia Begu | 4-6,4-6 |
| WTA - Indian Wells | 2021/10/08 19:30 | Marta Kostyuk v Simona Halep | 6-7,1-6 |
| WTA - Indian Wells | 2021/10/06 22:50 | Marta Kostyuk v Shuai Zhang | 6-3,1-6,6-2 |
| WTA - Chicago | 2021/09/27 19:20 | Kateryna Baindl v Marta Kostyuk | 6-7,6-3,6-0 |
| US Open - Kvinder | 2021/08/31 15:00 | Marta Kostyuk v Maria Sakkari | 4-6,3-6 |