Ricardo Siggia defeated Juan Manuel Valverde 6-7 6-4 6-3 in the Brazil F24 qualifying round on clay. Ricardo Siggia extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-09-08 | Brazil F19 | R16 | clay | Juan Manuel Valverde | 7-5 7-6(6) |
| 2008-07-28 | Brazil F13 | R32 | clay | Ricardo Siggia | 6-2 6-1 |