Ai Sugiyama defeated Elena Likhovtseva 6-1 6-2 in the Berlin round of 32 on grass. The upset overturned the form book — Elena Likhovtseva came in leading the head-to-head 4–3, defending last year's quarter-final. Ai Sugiyama narrowed the head-to-head to 4–4.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-03-20 | Miami | R32 | hard | Ai Sugiyama | 3-6 7-5 6-0 |
| 2005-10-24 | Linz | R32 | hard | Ai Sugiyama | 6-1 4-6 7-5 |
| 2005-03-23 | Miami | R32 | hard | Elena Likhovtseva | 6-4 3-6 6-3 |
| 2004-06-14 | Eastbourne | R16 | grass | Ai Sugiyama | 7-5 4-6 6-3 |
| 1999-06-21 | Wimbledon | R64 | grass | Elena Likhovtseva | 7-6 6-1 |
| 1999-06-14 | Eastbourne | R16 | grass | Elena Likhovtseva | 6-3 6-4 |
| 1996-12-30 | Hope Island | F | hard | Elena Likhovtseva | 3-6 7-6 6-3 |
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 76). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About