Andrea Stoppini defeated Enzo Artoni 6-3 3-6 6-3 in the Croatia 1 Masters 4 round of 32 on clay. The upset overturned the form book — Enzo Artoni came in leading the head-to-head 1–0, but Andrea Stoppini had been the form player, winning 2 of their last 4 on clay. Andrea Stoppini claimed a first win over Enzo Artoni in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-17 | Italy F8 | QF | clay | Enzo Artoni | 7-5 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.