Johan Donar defeated Robbie Koenig 6-4 7-5 in the Great Britain 1 Masters 4 round of 32 on carpet. The result followed the form book — Johan Donar came in leading the head-to-head 1–0. Johan Donar extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-03-02 | France 1 Masters 4 | R16 | carpet | Johan Donar | 6-0 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.