Sylvester Emmanuel defeated Duncan Mugabe 7-5 4-6 6-3 in the Nigeria F6 round of 32 on hard. The upset overturned the form book — Duncan Mugabe came in leading the head-to-head 1–0, but Sylvester Emmanuel had been the form player, winning 4 of their last 6 on hard. Sylvester Emmanuel claimed a first win over Duncan Mugabe in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-04-25 | Nigeria F2 | R32 | hard | Duncan Mugabe | 3-6 7-5 7-5 |