Henry Adjei Darko defeated Raven Klaasen 3-6 6-3 7-6 in the Nigeria F1 semi-final on hard. The upset overturned the form book — Raven Klaasen came in leading the head-to-head 1–0, but Henry Adjei Darko had been the form player, winning 7 of their last 8 on hard. Henry Adjei Darko claimed a first win over Raven Klaasen in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-10-25 | Nigeria F6B | R32 | hard | Raven Klaasen | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.