Ellis Ferreira defeated Robbie Koenig 6-3 7-6 in the USA 2 Masters 2 semi-final on clay. The result followed the form book — Ellis Ferreira came in leading the head-to-head 1–0. Ellis Ferreira extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-06-03 | USA 3 Masters 2 | R64 | hard | Ellis Ferreira | 6-4 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.