Andreas Lesch defeated Massimo Ardinghi 6-2 2-6 6-3 in the Switzerland Masters 4 round of 32 on carpet. The upset overturned the form book — Massimo Ardinghi came in leading the head-to-head 1–0. Andreas Lesch claimed a first win over Massimo Ardinghi in two meetings, narrowing the head-to-head to 1–1.
Lesch A. came through in three sets.
Carpet: Lesch A. leads 1–0 · Clay: Ardinghi M. leads 1–0