Sunil Kumar defeated Alexander Slabinsky 7-6 6-1 in the Great Britain F15 round of 32 on hard. The upset overturned the form book — Alexander Slabinsky came in leading the head-to-head 1–0. Sunil Kumar claimed a first win over Alexander Slabinsky in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-08-27 | Great Britain F16 | R16 | hard | Alexander Slabinsky | 6-2 7-6(5) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.