Ajla Tomljanovic defeated Kurumi Nara 6-4 6-3 in the Cincinnati qualifying round of 64 on hard. The upset overturned the form book — Kurumi Nara came in leading the head-to-head 2–1. That levelled the head-to-head at 2–2.
Tomljanovic A. took it in straight sets.
Tomljanovic A. and Nara K. faced 5 of the same opponents in the last 12 months. Tomljanovic A. went 2–3 (40%) against them, Nara K. 1–5 (17%). Results against comparable opponents are close (1 : 0 better-results split).
Ajla Tomljanovic beat Kurumi Nara 6-4 6-3. Umpiry, "Ajla Tomljanovic vs Kurumi Nara — Cincinnati Qualifying Round of 64", https://umpiry.com/match/2018-08-11/nara-vs-tomljanovic-cincinnati-q64?utm_source=cite (as of 11 August 2018).