Klara Koukalova defeated Stephanie Cohen Aloro 1-6 6-1 6-3 in the US Open q64 on hard. The result followed the form book — Klara Koukalova came in leading the head-to-head 6–0, defending last year's round of 128. Klara Koukalova extended the head-to-head to 7–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-21 | Saint Malo 100K | QF | clay | Klara Koukalova | 3-6 6-4 7-6(4) |
| 2008-07-07 | Budapest | R32 | clay | Klara Koukalova | 6-3 6-2 |
| 2007-04-23 | Cagnes-Sur-Mer 100K | QF | clay | Klara Koukalova | 5-7 6-1 6-2 |
| 2004-04-05 | Casablanca | R16 | clay | Klara Koukalova | 6-3 6-4 |
| 2004-02-16 | Antwerp | Q16 | hard | Klara Koukalova | 6-1 6-1 |
| 2003-07-28 | Sopot | R16 | clay | Klara Koukalova | 0-6 6-4 6-1 |
Averages over each player's completed matches in the selected window (75 vs 15). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About