Federico Coria defeated Tomas Buchhass 3-6 6-1 6-4 in the Argentina F16 round of 16 on clay. The upset overturned the form book — Tomas Buchhass came in leading the head-to-head 1–0. Federico Coria claimed a first win over Tomas Buchhass in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-04-25 | Argentina F3 | R32 | clay | Tomas Buchhass | 5-7 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.