Mikael Tillstrom defeated Pietro Pennisi 6-3 6-1 in the Spain 2 Masters 1 qualifying round on clay. Mikael Tillstrom extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-10-14 | Italy 3 Masters 1 | QF | clay | Mikael Tillstrom | 6-1 4-6 6-3 |
| 1991-02-01 | Spain 2 Masters 2 | R16 | clay | Pietro Pennisi | 6-3 1-6 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.