Nathan Thompson defeated Frederico Casaro 6-4 6-4 in the Brazil F22 round of 32 on hard. The result followed the form book — Nathan Thompson came in leading the head-to-head 1–0. Nathan Thompson extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-11-13 | Brazil F19 | R16 | clay | Nathan Thompson | 6-7(1) 6-2 7-5 |