Carlos Costa defeated Alexander Volkov 1-6 6-4 0-6 7-5 6-4 in the Australian Open round of 128 on hard. The upset overturned the form book — Alexander Volkov came in defending last year's round of 128.
Costa C. came through in five sets.
Costa C. and Volkov A. faced 1 of the same opponent in the last 12 months. Costa C. went 1–0 (100%) against them, Volkov A. 1–1 (50%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.