Henry Adjei Darko defeated Richard Irwin 6-3 6-4 in the Nigeria F3B round of 16 on hard. The upset overturned the form book — Richard Irwin came in leading the head-to-head 1–0, but Henry Adjei Darko had been the form player, winning 5 of their last 6 on hard. Henry Adjei Darko claimed a first win over Richard Irwin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-09-05 | Great Britain F11 | R32 | hard | Richard Irwin | 6-3 6-1 |