Sjeng Schalken defeated Carlos Costa 7-5 2-6 7-6 in the Doha round of 16 on hard. The upset overturned the form book — Carlos Costa came in leading the head-to-head 1–0, but Sjeng Schalken had been the form player, winning 2 of their last 4 on hard. Sjeng Schalken claimed a first win over Carlos Costa in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-04-14 | Barcelona | R64 | clay | Carlos Costa | 6-2 6-1 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 55). ATP, WTA & Challenger.