Mikhail Kukushkin defeated Jozef Kovalik 6-1 6-3 in the US Open qualifying round of 128 on hard. The result followed the form book — Mikhail Kukushkin came in defending last year's round of 128.
Kukushkin M. took it in straight sets.
Kukushkin M. and Kovalik J. faced 2 of the same opponents in the last 12 months. Kukushkin M. went 1–1 (50%) against them, Kovalik J. 1–1 (50%).
Only 2 common opponents — too few for any conclusion. Shown without assessment.
Mikhail Kukushkin beat Jozef Kovalik 6-1 6-3. Umpiry, "Mikhail Kukushkin vs Jozef Kovalik — US Open Qualifying Round of 128", https://umpiry.com/match/2017-08-22/kovalik-vs-kukushkin-us-open-q128?utm_source=cite (as of 22 August 2017).