Yosuke Watanuki defeated Ernests Gulbis 6-2 6-1 in the US Open qualifying round of 128 on hard.
Watanuki Y. took it in straight sets.
Watanuki Y. and Gulbis E. faced 1 of the same opponent in the last 12 months. Watanuki Y. went 0–1 (0%) against them, Gulbis E. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Yosuke Watanuki beat Ernests Gulbis 6-2 6-1. Umpiry, "Yosuke Watanuki vs Ernests Gulbis — US Open Qualifying Round of 128", https://umpiry.com/match/2019-08-19/gulbis-vs-watanuki-us-open-q128?utm_source=cite (as of 19 August 2019).