Klara Koukalova defeated Maria Sharapova 6-4 7-6 in the Australian Open round of 128 on hard. The upset overturned the form book — Maria Sharapova came in leading the head-to-head 6–0, but Klara Koukalova had been the form player, winning 2 of their last 7 on hard. Klara Koukalova claimed a first win over Maria Sharapova in seven meetings, narrowing the head-to-head to 6–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-05-05 | Madrid | R64 | clay | Maria Sharapova | 6-1 6-2 |
| 2013-03-18 | Miami | R16 | hard | Maria Sharapova | 6-2 6-2 |
| 2013-02-11 | Doha | R16 | hard | Maria Sharapova | 6-3 6-3 |
| 2012-05-28 | Roland Garros | R16 | clay | Maria Sharapova | 6-4 6-7(5) 6-2 |
| 2012-05-07 | Madrid | R32 | clay | Maria Sharapova | 6-4 6-3 |
| 2011-06-20 | Wimbledon | R32 | grass | Maria Sharapova | 6-2 6-3 |
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 (76 vs 198). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About