David Ison defeated Paul Hand 6-1 7-6 in the Ireland Masters 4 semi-final on carpet. The upset overturned the form book — Paul Hand came in leading the head-to-head 2–0. David Ison claimed a first win over Paul Hand in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-05-20 | Ireland Masters 1 | R32 | carpet | Paul Hand | 6-4 6-4 |
| 1991-05-20 | Ireland Masters 3 | QF | carpet | Paul Hand | 6-2 6-4 |