Andrei Chesnokov defeated Carlos Costa 6-3 4-6 7-6 in the Hamburg round of 64 on clay. The upset overturned the form book — Carlos Costa came in leading the head-to-head 2–1, defending last year's semi-final. Andrei Chesnokov narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-10-25 | Stockholm | R64 | hard | Carlos Costa | 6-3 6-3 |
| 1993-05-24 | Roland Garros | R64 | clay | Carlos Costa | 6-3 6-2 6-4 |
| 1990-04-09 | Barcelona | R16 | clay | Andrei Chesnokov | 6-4 6-0 |
Averages over each player's completed matches in the selected window (12 vs 99). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About