Ralph Grambow defeated Sean Thornley 6-2 3-6 6-3 in the Great Britain F4 round of 32 on hard. The upset overturned the form book — Sean Thornley came in leading the head-to-head 1–0. Ralph Grambow claimed a first win over Sean Thornley in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-05-07 | Greece F1 | R32 | hard | Sean Thornley | 6-7(1) 6-3 6-1 |