Kim Clijsters defeated Jennifer Capriati 4-6 6-3 6-0 in the WTA Tour Championships semi-final on carpet. The upset overturned the form book — Jennifer Capriati came in leading the head-to-head 3–2, defending last year's semi-final. Kim Clijsters narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-07-21 | Stanford | F | hard | Kim Clijsters | 4-6 6-4 6-2 |
| 2003-05-05 | Berlin | SF | grass | Kim Clijsters | 6-4 6-7(2) 6-4 |
| 2002-01-14 | Australian Open | SF | hard | Jennifer Capriati | 7-5 3-6 6-1 |
| 2001-05-28 | Roland Garros | F | clay | Jennifer Capriati | 1-6 6-4 12-10 |
| 1999-11-08 | Philadelphia | R32 | carpet | Jennifer Capriati | 7-5 6-3 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.