Diego Schwartzman defeated Yoshihito Nishioka 6-1 3-6 7-6 in the Sydney quarter-final on hard. The result followed the form book — Diego Schwartzman came in defending last year's round of 16.
Schwartzman D. came through in three sets.
Schwartzman D. and Nishioka Y. faced 5 of the same opponents in the last 12 months. Schwartzman D. went 2–3 (40%) against them, Nishioka Y. 1–5 (17%). Results against comparable opponents are close (1 : 0 better-results split).
Diego Schwartzman beat Yoshihito Nishioka 6-1 3-6 7-6. Umpiry, "Diego Schwartzman vs Yoshihito Nishioka — Sydney Quarter-final", https://umpiry.com/match/2019-01-07/nishioka-vs-schwartzman-sydney-qf?utm_source=cite (as of 7 January 2019).