Christina Mchale advanced past Serena Williams via walkover in the Rome round of 16. Christina Mchale claimed a first win over Serena Williams in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-01-06 | Auckland | R16 | hard | Serena Williams | 3-6 6-2 6-3 |
| 2016-06-27 | Wimbledon | R64 | grass | Serena Williams | 6-7(7) 6-2 6-4 |
| 2016-05-09 | Rome | R16 | clay | Serena Williams | 7-6(7) 6-1 |
| 2016-03-21 | Miami | R64 | hard | Serena Williams | 6-3 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 (200 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About