Ai Sugiyama defeated Karolina Sprem 7-6 6-1 in the Olympics round of 16 on hard. The upset overturned the form book — Karolina Sprem came in leading the head-to-head 2–0. Ai Sugiyama claimed a first win over Karolina Sprem in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-04-07 | Amelia Island | R64 | clay | Karolina Sprem | 6-4 7-6(3) |
| 2004-08-02 | Montreal | R16 | hard | Karolina Sprem | 6-3 6-4 |
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 (160 vs 80). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About