Level, 2 wins each over 4 singles meetings since 2021. Last meeting on 10/03/2025 at BNP Paribas Open - Indian Wells.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 10/03/2025 | BNP Paribas Open - Indian Wells | Round 3 | hard | Keys | 6-2 6-7(8) 6-4 |
| 30/08/2024 | U.S. Open - New York | Round 3 | hard | Mertens | 6-7(5) 7-5 6-4 |
| 13/08/2023 | Western & Southern Open - Cincinnati | Round 1 | hard | Mertens | 6-3 3-6 6-3 |
| 02/07/2021 | Wimbledon - London | Round 3 | grass | Keys | 7-5 6-3 |
| hard | Keys 1 - 2 Mertens |
| grass | Keys 1 - 0 Mertens |
| 2025 | Keys 1 - 0 Mertens |
| 2024 | Keys 0 - 1 Mertens |
| 2023 | Keys 0 - 1 Mertens |
| 2021 | Keys 1 - 0 Mertens |
165 wins, 90 losses since 2021 (64.7%).
Last matches: D V V D V
187 wins, 129 losses since 2021 (59.2%).
Last matches: D V D D D
Level, 2 wins each over 4 singles meetings since 2021.
On 10/03/2025, at BNP Paribas Open - Indian Wells (Round 3): Madison Keys won 6-2 6-7(8) 6-4.