If they played today
Madison Keys
40%
Sets 0–2
Medium confidence
Marta Kostyuk
60%
2–0
19%
2–1
21%
1–2
28%
0–2
32%
Chance of a third set 49%
Current ratings and the head-to-head record, for a best-of-three match with no tournament attached. For the forecast of a scheduled match, open the match page.
Side by side
| Madison Keys | Marta Kostyuk | |
| 1739 (#24) | Rating | 1781 (#17) |
| 44–16 (73%) | Win-loss | 39–18 (68%) |
| 60 | ATP/WTA matches | 57 |
| WLWWL | Recent form | LWWLL |
All meetings (1)
| 2026-08-06 | Marta Kostyuk | 0–2 3-6, 1-6 | Toronto |
Last five: Madison Keys
| 2026-09-05 | L | Qinwen Zheng | 1-2 | US Open, Women |
| 2026-09-03 | W | Anna Bondar | 2-1 | US Open, Women |
| 2026-09-01 | W | Alina Korneeva | 2-0 | US Open, Women |
| 2026-08-21 | L | Sara Bejlek | 1-2 | Cincinnati |
| 2026-08-19 | W | Xiyu Wang | 2-0 | Cincinnati |
Full record for Madison Keys →
Last five: Marta Kostyuk
| 2026-09-17 | L | Liudmila Samsonova | 1-2 | Guadalajara |
| 2026-09-06 | L | Linda Noskova | 1-2 | US Open, Women |
| 2026-09-04 | W | Ekaterina Alexandrova | 2-0 | US Open, Women |
| 2026-09-02 | W | Sloane Stephens | 2-0 | US Open, Women |
| 2026-08-22 | L | Coco Gauff | 0-2 | Cincinnati |