Darren Kirk defeated Mark Petchey 6-3 6-4 in the Ireland Masters 3 round of 32 on carpet. The upset overturned the form book — Mark Petchey came in leading the head-to-head 1–0. Darren Kirk claimed a first win over Mark Petchey in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-02-18 | Great Britain 1 Masters 4 | R16 | carpet | Mark Petchey | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.