Serena Williams defeated Nicole Vaidisova 7-6 6-4 in the Australian Open semi-final on hard. The result followed the form book — Serena Williams came in leading the head-to-head 3–0, defending last year's round of 32. Serena Williams extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-01-14 | Australian Open | R16 | hard | Serena Williams | 6-3 6-4 |
| 2007-10-08 | Moscow | QF | hard | Serena Williams | 6-4 7-6(7) |
| 2007-03-19 | Miami | QF | hard | Serena Williams | 6-1 6-4 |
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 (199 vs 101). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About