Gustavo Heide defeated Bruno Kuzuhara 6-1 6-0 in the M25 Londrina 1 quarter-final on clay. The result followed the form book — Gustavo Heide came in ranked #137, leading the head-to-head 1–0. Gustavo Heide extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-09-26 | M25 Barueri 1 | QF | hard | Gustavo Heide | 6-7(4) 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.