Kim Clijsters defeated Dinara Safina 7-5 6-2 in the Cincinnati round of 32 on hard. The result followed the form book — Kim Clijsters came in leading the head-to-head 7–2, defending last year's quarter-final. Kim Clijsters extended the head-to-head to 8–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-01-17 | Australian Open | R128 | hard | Kim Clijsters | 6-0 6-0 |
| 2009-08-10 | Cincinnati | QF | hard | Dinara Safina | 6-2 7-5 |
| 2006-05-15 | Rome | R16 | clay | Dinara Safina | 6-4 7-6(2) |
| 2006-02-13 | Antwerp | QF | hard | Kim Clijsters | 7-6(1) 6-4 |
| 2005-10-24 | Hasselt | SF | hard | Kim Clijsters | 6-0 6-1 |
| 2005-08-08 | Los Angeles | R16 | hard | Kim Clijsters | 6-0 7-5 |
| 2005-05-02 | Berlin | R32 | grass | Kim Clijsters | 7-5 6-2 |
| 2004-02-09 | Paris | SF | carpet | Kim Clijsters | 6-1 6-1 |
| 2004-01-19 | Australian Open | R32 | hard | Kim Clijsters | 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 (95 vs 44). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About