M. Kostyuk leads the head-to-head 2-1 since 2018 against E. Mertens, over 3 matches.
Today on TennisEdge 32 ATP & WTA matches analysed today Model probabilities, market read and our staked picks — see today's board →| Surface | E. Mertens | M. Kostyuk |
|---|---|---|
| Hard | 1 | 2 |
| Surface | E. Mertens | M. Kostyuk |
|---|---|---|
| Hard | 1840 (124-82) | 1933 (126-75) |
| Clay | 1759 (27-23) | 1994 (47-22) |
| Grass | 1816 (27-21) | 1739 (16-15) |
ELO is computed per surface from results since 2018; the win-loss pair is that surface's record.
| Date | Winner | Score | Event |
|---|---|---|---|
| Aug. 13, 2024 | M. Kostyuk | 2 - 1 | WTA Cincinnati · 1/32-finals · hard |
| Jan. 17, 2024 | M. Kostyuk | 2 - 1 | WTA Australian Open · 1/32-finals · hard |
| March 12, 2022 | E. Mertens | 2 - 0 | Indian Wells · 1/32-finals · hard |
| Date | Opponent | Score | Event | |
|---|---|---|---|---|
| Sept. 5, 2026 | L | N. Osaka | 2 - 1 | US Open · 1/16-finals · hard |
| Sept. 3, 2026 | W | M. Timofeeva | 0 - 2 | US Open · 1/32-finals · hard |
| Sept. 1, 2026 | W | K. Quevedo | 0 - 2 | US Open · 1/64-finals · hard |
| Aug. 29, 2026 | W | N. Bartunkova | 1 - 2 | Monterrey · Semi-finals · hard |
| Aug. 29, 2026 | L | D. Parry | 2 - 1 | Monterrey · Final · hard |
| Date | Opponent | Score | Event | |
|---|---|---|---|---|
| Sept. 6, 2026 | L | L. Noskova | 1 - 2 | US Open · 1/8-finals · hard |
| Sept. 4, 2026 | W | E. Alexandrova | 2 - 0 | US Open · 1/16-finals · hard |
| Sept. 2, 2026 | W | S. Stephens | 2 - 0 | US Open · 1/32-finals · hard |
| Aug. 30, 2026 | W | S. Hunter | 2 - 0 | US Open · 1/64-finals · hard |
| Aug. 22, 2026 | L | C. Gauff | 2 - 0 | Cincinnati · Quarter-finals · hard |