Maria Vento Kabchi defeated Ai Sugiyama 6-1 7-5 in the Miami round of 64 on hard. The upset overturned the form book — Ai Sugiyama came in leading the head-to-head 4–0, defending last year's round of 32. Maria Vento Kabchi claimed a first win over Ai Sugiyama in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-05-09 | Rome | R32 | clay | Ai Sugiyama | 6-3 6-0 |
| 2004-10-25 | Linz | R32 | hard | Ai Sugiyama | 6-0 6-0 |
| 1998-11-09 | Philadelphia | R32 | carpet | Ai Sugiyama | 6-1 6-2 |
| 1998-08-17 | Canadian Open | R32 | hard | Ai Sugiyama | 6-4 6-0 |
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 (21 vs 160). ATP, WTA & Challenger.