Leonardo Aboian defeated Gabriel Ciro Da Silva 6-3 6-4 in the M15 Buenos Aires 2 q16 on clay. The upset overturned the form book — Gabriel Ciro Da Silva came in leading the head-to-head 1–0. Leonardo Aboian claimed a first win over Gabriel Ciro Da Silva in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-06-19 | M15 Sao Jose Do Rio Preto 1 | R32 | clay | Gabriel Ciro Da Silva | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.