Ai Sugiyama defeated Sandrine Testud 6-4 6-4 in the Tokyo round of 16 on hard. The upset overturned the form book — Sandrine Testud came in leading the head-to-head 4–0, defending last year's final. Ai Sugiyama claimed a first win over Sandrine Testud in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-04-15 | Charleston | R32 | clay | Sandrine Testud | 7-5 4-6 7-6(2) |
| 2001-06-25 | Wimbledon | R32 | grass | Sandrine Testud | 6-7(5) 6-2 6-2 |
| 2001-01-07 | Canberra | QF | hard | Sandrine Testud | 7-6(8) 4-6 6-3 |
| 1997-05-12 | Berlin | R64 | grass | Sandrine Testud | 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. Small sample — read as indicative. About
Averages over each player's completed matches in the selected window (172 vs 1). ATP, WTA & Challenger.