Daniel Cox defeated Marek Semjan 7-5 6-1 in the Qatar F1 semi-final on hard. The upset overturned the form book — Marek Semjan came in leading the head-to-head 1–0, but Daniel Cox had been the form player, winning 4 of their last 6 on hard. Daniel Cox claimed a first win over Marek Semjan in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-04-01 | Qatar F1 | F | hard | Marek Semjan | 3-6 7-6(4) 7-6(6) |
Averages over each player's completed matches in the selected window (200 vs 51). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About