Mirko Lagasio defeated Martim Marujo 6-4 4-6 11-9 in the M25 Sintra 1 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 |
|---|---|---|---|---|---|
| 2021-09-12 | M25 Sintra 2 | Q32 | hard | Mirko Lagasio | 7-6(5) 6-3 |