Arthur De Greef defeated Marc Sieber 6-3 6-4 in the Casablanca CH round of 32 on clay. The upset overturned the form book — Marc Sieber came in leading the head-to-head 1–0. Arthur De Greef claimed a first win over Marc Sieber in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-11-12 | Turkey F44 | R32 | hard | Marc Sieber | 6-3 6-2 |
Averages over each player's completed matches in the selected window (200 vs 140). 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