Dmitri Sitak defeated Aisam Ul Haq Qureshi 1-6 6-3 6-1 in the USA F1 round of 32 on hard. The upset overturned the form book — Aisam Ul Haq Qureshi came in leading the head-to-head 1–0. Dmitri Sitak claimed a first win over Aisam Ul Haq Qureshi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-06-18 | s Hertogenbosch | QF | grass | Aisam Ul Haq Qureshi | 6-3 7-6(2) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.