Claudina Aiassa defeated Agustina Soto Neira 6-3 7-6 in the W35 Neuquen 1 q16 on clay. The upset overturned the form book — Agustina Soto Neira came in leading the head-to-head 1–0. Claudina Aiassa claimed a first win over Agustina Soto Neira in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-11-04 | W15 Neuquen 1 | R32 | clay | Agustina Soto Neira | 7-5 4-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.