Level, 1 wins each over 2 singles meetings since 2021. Last meeting on 17/01/2022 at Australian Open - Melbourne.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 17/01/2022 | Australian Open - Melbourne | Round 1 | hard | Portero | 7-6(15) 3-6 6-4 6-2 |
| 11/04/2021 | Monte-Carlo Rolex Masters - Monte-Carlo | Qualifiers | clay | Delbonis | 3-6 6-3 6-4 |
| hard | Delbonis 0 - 1 Portero |
| clay | Delbonis 1 - 0 Portero |
| 2022 | Delbonis 0 - 1 Portero |
| 2021 | Delbonis 1 - 0 Portero |
70 wins, 75 losses since 2021 (48.3%).
Last matches: D V V D D
176 wins, 180 losses since 2021 (49.4%).
Last matches: V V D D V
Level, 1 wins each over 2 singles meetings since 2021.
On 17/01/2022, at Australian Open - Melbourne (Round 1): Pedro Martinez Portero won 7-6(15) 3-6 6-4 6-2.