Rafael Serpa Guinazu defeated Pablo Bianchi 6-4 6-2 in the Argentina 2 semi-final on clay. The upset overturned the form book — Pablo Bianchi came in leading the head-to-head 1–0. Rafael Serpa Guinazu claimed a first win over Pablo Bianchi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-08-07 | Agentina F9 | QF | clay | Pablo Bianchi | 3-5 4-2 4-2 1-4 4-2 |