Alberto Berasategui defeated Christer Allgardh 6-4 6-1 in the Spain 1 Masters 1 semi-final on carpet. The upset overturned the form book — Christer Allgardh came in leading the head-to-head 1–0. Alberto Berasategui claimed a first win over Christer Allgardh in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-02-03 | Spain 1 Masters 3 | QF | carpet | Christer Allgardh | 6-4 3-6 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.