Rafael Serpa Guinazu defeated Marcello Wowk 2-6 6-4 6-2 in the Argentina B Masters 4 round of 32 on clay. The result followed the form book — Rafael Serpa Guinazu came in leading the head-to-head 2–1. Rafael Serpa Guinazu extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1995-09-30 | Argentina 3 Masters 1 | R32 | clay | Rafael Serpa Guinazu | 7-6 6-7 7-5 |
| 1995-08-05 | Argentina B Masters 2 | R16 | clay | Marcello Wowk | 6-1 6-7 6-4 |
| 1994-08-13 | Argentina 3 Masters 4 | R32 | clay | Rafael Serpa Guinazu | 6-3 5-7 6-4 |