Jan Siemerink defeated Patrick McEnroe 4-6 7-5 6-3 in the Vienna round of 32 on hard. The upset overturned the form book — Patrick McEnroe came in leading the head-to-head 2–0, but Jan Siemerink had been the form player, winning 2 of their last 5 on hard. Jan Siemerink claimed a first win over Patrick McEnroe in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-04-12 | Hong Kong | R16 | hard | Patrick McEnroe | 6-4 6-4 |
| 1991-08-19 | Long Island | R32 | hard | Patrick McEnroe | 4-6 6-4 6-3 |
Averages over each player's completed matches in the selected window (199 vs 16). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About