Horst Skoff defeated Francisco Clavet 6-3 6-2 in the Estoril round of 32 on clay. The upset overturned the form book — Francisco Clavet came in leading the head-to-head 2–0, defending last year's quarter-final. Horst Skoff claimed a first win over Francisco Clavet in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-09-28 | Palermo | QF | clay | Francisco Clavet | 6-1 6-1 |
| 1990-09-24 | Palermo | R32 | clay | Francisco Clavet | 3-6 7-6 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.