Ricardo Siggia defeated Alex Theiler 6-2 3-6 6-4 in the Brazil F12 round of 32 on clay. The result followed the form book — Ricardo Siggia came in leading the head-to-head 1–0. Ricardo Siggia extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-04-26 | Brazil F4 | R32 | clay | Ricardo Siggia | 3-6 7-6(4) 6-2 |