Vasilis Mazarakis defeated Stefano Cobolli 6-4 6-3 in the Umag qualifying round on clay. The result followed the form book — Vasilis Mazarakis came in leading the head-to-head 1–0. Vasilis Mazarakis extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-31 | Italy F10 | SF | clay | Vasilis Mazarakis | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.