Gunther Darkey defeated Ramiro Tincoff 5-7 6-4 7-5 in the Nigeria F3 round of 16 on hard. The upset overturned the form book — Ramiro Tincoff came in leading the head-to-head 1–0. Gunther Darkey claimed a first win over Ramiro Tincoff in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-08-01 | Senegal F1 | R16 | hard | Ramiro Tincoff | 5-7 6-3 7-6(2) |