Jan Weinzierl defeated Alejo Mancisidor 6-4 6-4 in the Spain 1 Masters 4 round of 32 on clay. The upset overturned the form book — Alejo Mancisidor came in leading the head-to-head 1–0. Jan Weinzierl claimed a first win over Alejo Mancisidor in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-02-02 | Spain 2 Masters 1 | R32 | clay | Alejo Mancisidor | 3-6 7-5 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.