Mirko Lagasio defeated Martim Marujo 7-6 6-3 in the M25 Sintra 2 q32 on hard. The result followed the form book — Mirko Lagasio came in leading the head-to-head 1–0. Mirko Lagasio extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-09-05 | M25 Sintra 1 | Q32 | hard | Mirko Lagasio | 6-4 4-6 11-9 |