Egberto Caldas defeated Andy Zingman 6-1 6-2 in the Bolivia Paraguay Masters 1 round of 16 on clay. The upset overturned the form book — Andy Zingman came in leading the head-to-head 2–0, but Egberto Caldas had been the form player, winning 3 of their last 5 on clay. Egberto Caldas claimed a first win over Andy Zingman in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1994-05-14 | Brazil Masters 1 | R16 | clay | Andy Zingman | 6-3 6-2 |
| 1994-05-14 | Brazil Masters 4 | QF | clay | Andy Zingman | 6-3 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.