Eleni Daniilidou defeated Klara Koukalova 6-4 6-1 in the Antwerp round of 16 on hard. The upset overturned the form book — Klara Koukalova came in defending last year's quarter-final. Eleni Daniilidou extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-03-10 | Indian Wells | R64 | hard | Eleni Daniilidou | 1-6 7-6(1) 6-2 |
| 2006-05-08 | Berlin | R64 | grass | Klara Koukalova | 7-5 7-5 |
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 (152 vs 76). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About