Klara Koukalova defeated Urszula Radwanska 6-2 3-6 6-2 in the Japan Open round of 16 on hard. The result followed the form book — Klara Koukalova came in defending last year's round of 32. Klara Koukalova extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-09-26 | Tokyo | R64 | hard | Klara Koukalova | 3-6 6-3 6-1 |
| 2011-03-07 | Indian Wells | R64 | hard | Urszula Radwanska | 6-3 5-7 6-2 |
| 2009-04-27 | Fes | R32 | clay | Klara Koukalova | 7-5 6-2 |
| 2008-06-23 | Wimbledon | R128 | grass | Urszula Radwanska | 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 (76 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About