Eugenio Almeida Junior defeated Gabriel Pascotto Tumasonis 6-2 6-1 in the M15 Mogi das Cruzes 1 q32 on clay. The upset overturned the form book — Gabriel Pascotto Tumasonis came in leading the head-to-head 1–0. Eugenio Almeida Junior claimed a first win over Gabriel Pascotto Tumasonis in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-10-17 | M25 Rio do Sul 1 | Q32 | clay | Gabriel Pascotto Tumasonis | 6-4 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.