Patty Schnyder defeated Elena Dementieva 7-6 6-0 in the San Diego semi-final on hard. The upset overturned the form book — Elena Dementieva came in leading the head-to-head 10–6, defending last year's quarter-final, but Patty Schnyder had been the form player, winning 6 of their last 8 on hard. Patty Schnyder narrowed the head-to-head to 10–7.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-08-25 | US Open | QF | hard | Elena Dementieva | 6-2 6-3 |
| 2008-04-14 | Charleston | QF | clay | Elena Dementieva | 6-4 6-4 |
| 2008-02-25 | Dubai | R32 | hard | Elena Dementieva | 7-5 6-0 |
| 2007-10-08 | Moscow | R16 | hard | Elena Dementieva | 6-3 6-4 |
| 2006-10-09 | Moscow | QF | hard | Elena Dementieva | 7-6(6) 7-6(1) |
| 2006-07-31 | San Diego | QF | hard | Patty Schnyder | 6-4 6-3 |
| 2006-02-06 | Paris | QF | carpet | Patty Schnyder | 6-3 6-3 |
| 2005-08-29 | US Open | R16 | hard | Elena Dementieva | 6-4 6-3 |
| 2005-04-11 | Charleston | SF | clay | Elena Dementieva | 3-6 6-4 6-0 |
| 2005-01-17 | Australian Open | R16 | hard | Patty Schnyder | 6-7(6) 7-6(4) 6-2 |
| 2005-01-10 | Sydney | QF | hard | Elena Dementieva | 6-4 1-6 6-1 |
| 2004-10-11 | Moscow | R32 | hard | Elena Dementieva | 6-2 6-3 |
| 2004-04-12 | Charleston | R16 | clay | Patty Schnyder | 6-3 6-1 |
| 2002-04-08 | Amelia Island | R32 | clay | Elena Dementieva | 6-4 7-5 |
| 2000-08-21 | New Haven | R16 | hard | Patty Schnyder | 1-6 7-5 6-3 |
| 1997-10-27 | Kremlin Cup | R32 | carpet | Patty Schnyder | 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. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About