Mark Hilton defeated Philipp Hammer 6-3 6-1 in the Great Britain F3 round of 16 on hard. The upset overturned the form book — Philipp Hammer came in leading the head-to-head 1–0. Mark Hilton claimed a first win over Philipp Hammer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-03-14 | Great Britain F4 | R32 | hard | Philipp Hammer | 6-4 2-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.