John Millman defeated Damir Dzumhur 6-3 6-2 in the AUS vs BIH round robin on hard. The upset overturned the form book — Damir Dzumhur came in leading the head-to-head 2–0. John Millman claimed a first win over Damir Dzumhur in three meetings, narrowing the head-to-head to 2–1.
Millman J. took it in straight sets.
Millman J. and Dzumhur D. faced 5 of the same opponents in the last 12 months. Millman J. went 1–4 (20%) against them, Dzumhur D. 2–3 (40%). Results against comparable opponents are close (0 : 1 better-results split).
John Millman beat Damir Dzumhur 6-3 6-2. Umpiry, "John Millman vs Damir Dzumhur — AUS vs BIH Round Robin", https://umpiry.com/match/2019-02-01/dzumhur-vs-millman-aus-vs-bih-rr?utm_source=cite (as of 1 February 2019).