Alan Mackin defeated Marko Tkalec 7-6 5-7 7-6 in the Umag qualifying round of 32 on clay. The upset overturned the form book — Marko Tkalec came in leading the head-to-head 1–0. Alan Mackin claimed a first win over Marko Tkalec in two meetings, narrowing the head-to-head to 1–1.
Mackin A. came through in three sets.