Gunther Darkey defeated Victor Kolik 7-5 6-2 in the Nigeria F4 round of 16 on hard. The upset overturned the form book — Victor Kolik came in leading the head-to-head 1–0, but Gunther Darkey had been the form player, winning 5 of their last 10 on hard. Gunther Darkey claimed a first win over Victor Kolik in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-10-10 | Nigeria F5 | R32 | hard | Victor Kolik | 6-1 6-3 |