Evgeny Kirillov defeated David Klier 6-4 7-5 in the Germany F2 round of 16 on hard. The upset overturned the form book — David Klier came in leading the head-to-head 1–0. Evgeny Kirillov claimed a first win over David Klier in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-09-11 | Germany F16 | QF | clay | David Klier | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.