Alex Calatrava defeated Wojtek Kowalski 7-6 7-6 in the USA 1 Masters 3 semi-final on clay. The upset overturned the form book — Wojtek Kowalski came in leading the head-to-head 1–0, but Alex Calatrava had been the form player, winning 4 of their last 7 on clay. Alex Calatrava claimed a first win over Wojtek Kowalski in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1994-03-18 | USA 1 Masters 1 | QF | clay | Wojtek Kowalski | 6-2 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.