
Facundo Mena defeated Tomas Buchhass 5-7 6-1 6-4 in the Argentina F11 round of 16 on clay. The upset overturned the form book — Tomas Buchhass came in leading the head-to-head 2–1, but Facundo Mena had been the form player, winning 4 of their last 8 on clay. Facundo Mena narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-04-14 | Colombia F1 | R16 | clay | Facundo Mena | 6-4 7-6(3) |
| 2013-09-09 | Argentina F18 | R32 | clay | Tomas Buchhass | 7-6(2) 6-3 |
| 2012-02-27 | Argentina F1 | R32 | clay | Tomas Buchhass | 7-6(3) 7-6(6) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.