Rodolfo Daruich defeated Bo Ram Cha 3-6 6-4 6-0 in the Argentina F8 round of 32 on clay. The upset overturned the form book — Bo Ram Cha came in leading the head-to-head 2–1. Rodolfo Daruich narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-04-25 | Argentina F3 | R32 | clay | Rodolfo Daruich | 0-6 6-2 6-2 |
| 2004-04-26 | Argentina F1 | SF | clay | Bo Ram Cha | 6-2 6-0 |
| 2003-04-28 | Argentina 1 | R16 | clay | Bo Ram Cha | 6-3 4-6 7-6(3) |