Aleksi Lofman defeated Oskar Antinheimo 6-1 6-7 10-7 in the M15 Vaasa 1 q16 on hard. The upset overturned the form book — Oskar Antinheimo came in leading the head-to-head 1–0. Aleksi Lofman claimed a first win over Oskar Antinheimo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-06-07 | M15 Vaasa 1 | R32 | hard | Oskar Antinheimo | 5-7 6-2 6-4 |