Eric Martins defeated Eugenio Almeida Junior 7-5 7-5 in the M15 Porto Velho qualifying round of 32 on hard. The upset overturned the form book — Eugenio Almeida Junior came in leading the head-to-head 1–0. Eric Martins claimed a first win over Eugenio Almeida Junior in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-11-09 | M15 Criciuma 1 | Q32 | clay | Eugenio Almeida Junior | 6-0 6-3 |