Ai Sugiyama defeated Amanda Coetzer 6-1 7-6 in the Los Angeles round of 16 on hard. The result followed the form book — Ai Sugiyama came in defending last year's round of 64. Ai Sugiyama extended the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-01-06 | Sydney | R32 | hard | Amanda Coetzer | 6-2 3-6 6-3 |
| 2001-05-21 | Strasbourg | R16 | clay | Ai Sugiyama | 6-4 6-4 |
| 1999-05-24 | Roland Garros | R128 | clay | Ai Sugiyama | 7-5 6-1 |
| 1998-05-11 | Berlin | R16 | grass | Ai Sugiyama | 4-6 6-2 6-3 |
| 1998-02-03 | Tokyo | QF | hard | Amanda Coetzer | 6-3 2-6 6-2 |
| 1996-05-27 | Roland Garros | R128 | clay | Amanda Coetzer | 6-1 7-5 |
Averages over each player's completed matches in the selected window (170 vs 7). 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