Lukas Lacko defeated Donald Young 6-3 6-1 3-6 6-3 in the Australian Open round of 64 on hard. The upset overturned the form book — Donald Young came in leading the head-to-head 1–0, defending last year's round of 128, but Lukas Lacko had been the form player, winning 1 of their last 5 on hard. Lukas Lacko claimed a first win over Donald Young in two meetings, narrowing the head-to-head to 1–1.
Lacko L. came through in four sets.