Kenneth Carlsen defeated Albert Costa 6-4 7-5 in the Washington round of 16 on hard. The upset overturned the form book — Albert Costa came in leading the head-to-head 2–0. Kenneth Carlsen claimed a first win over Albert Costa in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-25 | Roland Garros | R128 | clay | Albert Costa | 6-3 6-2 6-2 |
| 1997-08-18 | Boston | R16 | hard | Albert Costa | 6-3 6-4 |
Averages over each player's completed matches in the selected window (200 vs 200). 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