Guillermo Carry defeated Guillermo Bujniewicz 6-4 6-2 in the Bolivia F3 round of 16 on clay. The upset overturned the form book — Guillermo Bujniewicz came in leading the head-to-head 1–0. Guillermo Carry claimed a first win over Guillermo Bujniewicz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-09-27 | Bolivia F3 | R32 | clay | Guillermo Bujniewicz | 6-4 7-5 |