Piet Norval defeated Jacco Van Duyn 7-5 6-1 in the Great Britain 2 Masters 2 round of 16 on hard. Piet Norval extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-04-22 | Great Britain 2 Masters 3 | QF | hard | Jacco Van Duyn | 6-4 6-4 |
| 1991-04-22 | Great Britain 2 Masters 4 | SF | hard | Piet Norval | 7-5 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.