Naomi Osaka leads 5 to 3 over 8 singles meetings since 2021. Last meeting on 06/09/2026 at U.S. Open - New York.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 06/09/2026 | U.S. Open - New York | Round 3 | hard | Osaka | 6-3 3-6 6-5 |
| 08/08/2026 | National Bank Open - Toronto | Round 3 | hard | Osaka | 1-6 2-6 |
| 23/06/2026 | Bad Homburg Open - Bad Homburg | Round 2 | grass | Osaka | 6-3 6-3 |
| 08/08/2024 | National Bank Open - Toronto | Round 2 | hard | Mertens | 3-6 4-6 |
| 10/06/2024 | Libema Open - 's-Hertogenbosch | Round 1 | grass | Osaka | 2-6 4-6 |
| 11/03/2024 | BNP Paribas Open - Indian Wells | Round 3 | hard | Mertens | 5-7 4-5 |
| 29/03/2021 | Miami Open - Miami | Round 4 | hard | Osaka | 3-6 3-6 |
| 06/02/2021 | Gippsland Trophy - Melbourne | Semi-final | hard | Mertens |
| hard | Mertens 3 - 3 Osaka |
| grass | Mertens 0 - 2 Osaka |
| 2026 | Mertens 0 - 3 Osaka |
| 2024 | Mertens 2 - 1 Osaka |
| 2021 | Mertens 1 - 1 Osaka |
186 wins, 128 losses since 2021 (59.2%).
Last matches: D D D V V
116 wins, 64 losses since 2021 (64.4%).
Last matches: D V V D V
Naomi Osaka leads 5 to 3 over 8 singles meetings since 2021.
On 06/09/2026, at U.S. Open - New York (Round 3): Naomi Osaka won 6-3 3-6 6-5.