Alessandro Da Col defeated Jun Kato 7-6 3-6 6-3 in the Switzerland 1 Masters 4 qualifying round on carpet. The upset overturned the form book — Jun Kato came in leading the head-to-head 1–0. Alessandro Da Col claimed a first win over Jun Kato in two meetings, narrowing the head-to-head to 1–1.
Da Col A. came through in three sets.
Carpet: Da Col A. leads 1–0 · Clay: Kato J. leads 1–0