Level, 2 wins each over 4 singles meetings since 2022. Last meeting on 15/09/2024 at Davis Cup, Group B, Valencia.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 15/09/2024 | Davis Cup, Group B, Valencia | — | indoor hard | Popyrin | 6-4 6-4 |
| 28/08/2024 | U.S. Open - New York | Round 2 | hard | Popyrin | 6-2 6-4 6-0 |
| 03/10/2022 | Rakuten Japan Open - Tokyo | Round 1 | hard | Portero | 7-5 5-4 |
| 11/01/2022 | Sydney Tennis Classic - Sydney | Round 1 | hard | Portero | 4-6 4-6 |
| indoor hard | Portero 0 - 1 Popyrin |
| hard | Portero 2 - 1 Popyrin |
| 2024 | Portero 0 - 2 Popyrin |
| 2022 | Portero 2 - 0 Popyrin |
167 wins, 176 losses since 2021 (48.7%).
Last matches: D V D D V
146 wins, 150 losses since 2021 (49.3%).
Last matches: D V D V D
Level, 2 wins each over 4 singles meetings since 2022.
On 15/09/2024, at Davis Cup, Group B, Valencia: Alexei Popyrin won 6-4 6-4.