Level, 2 wins each over 4 singles meetings since 2021. Last meeting on 19/10/2026 at Ningbo Open - Ningbo.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 19/10/2026 | Ningbo Open - Ningbo | Round 1 | hard | Fernandez | 6-2 3-6 5-4 |
| 17/02/2025 | Dubai Duty Free Championships - Dubai | Round 1 | hard | Mertens | 6-2 6-2 |
| 19/09/2023 | Guadalajara Open Akron - Guadalajara | Round 2 | hard | Fernandez | 6-3 6-4 |
| 08/02/2021 | Australian Open - Melbourne | Round 1 | hard | Mertens | 1-6 3-6 |
| hard | Mertens 2 - 2 Fernandez |
| 2026 | Mertens 0 - 1 Fernandez |
| 2025 | Mertens 1 - 0 Fernandez |
| 2023 | Mertens 0 - 1 Fernandez |
| 2021 | Mertens 1 - 0 Fernandez |
186 wins, 128 losses since 2021 (59.2%).
Last matches: D D D V V
170 wins, 122 losses since 2021 (58.2%).
Last matches: V D V V D
Level, 2 wins each over 4 singles meetings since 2021.
On 19/10/2026, at Ningbo Open - Ningbo (Round 1): Leylah Annie Fernandez won 6-2 3-6 5-4.