Simon Harston defeated Alexander Slabinsky 3-6 6-4 6-3 in the Great Britain F15 qualifying round on hard. The upset overturned the form book — Alexander Slabinsky came in leading the head-to-head 2–0. Simon Harston claimed a first win over Alexander Slabinsky in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-10-24 | Great Britain 4 1 | R32 | hard | Alexander Slabinsky | 6-3 7-5 |
| 2005-09-26 | Great Britain F13 | R32 | hard | Alexander Slabinsky | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.