Sean Thornley defeated Ralph Grambow 6-7 6-3 6-1 in the Greece F1 round of 32 on hard. The upset overturned the form book — Ralph Grambow came in leading the head-to-head 1–0, but Sean Thornley had been the form player, winning 5 of their last 8 on hard. Sean Thornley claimed a first win over Ralph Grambow in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-03-17 | Great Britain F4 | R32 | hard | Ralph Grambow | 6-2 3-6 6-3 |