Serena Williams defeated Els Callens 6-4 6-0 in the Australian Open round of 64 on hard. The result followed the form book — Serena Williams came in leading the head-to-head 2–0. Serena Williams extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-06-23 | Wimbledon | R64 | grass | Serena Williams | 6-4 6-4 |
| 2002-06-24 | Wimbledon | R32 | grass | Serena Williams | 7-6(5) 7-6(2) |
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 10). ATP, WTA & Challenger.