Marc Sieber defeated Matthew Roberts 5-7 6-3 6-1 in the Austria F5 semi-final on clay. The upset overturned the form book — Matthew Roberts came in leading the head-to-head 1–0. Marc Sieber claimed a first win over Matthew Roberts in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-08 | Mexico F8 | R32 | hard | Matthew Roberts | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.