Franco Squillari defeated Rafael Serpa Guinazu 6-0 6-2 in the Argentina 3 Masters 1 semi-final on clay. The upset overturned the form book — Rafael Serpa Guinazu came in leading the head-to-head 2–0, but Franco Squillari had been the form player, winning 5 of their last 7 on clay. Franco Squillari claimed a first win over Rafael Serpa Guinazu in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1995-09-30 | Argentina 3 Masters 2 | R32 | clay | Rafael Serpa Guinazu | 7-5 6-7 6-2 |
| 1994-04-16 | Argentina 1 Masters 4 | R32 | clay | Rafael Serpa Guinazu | 7-6 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.