Kyle Edmund defeated Daniel Nguyen 7-5 6-3 in the Aptos CH round of 16 on hard. The upset overturned the form book — Daniel Nguyen came in defending last year's round of 32.
Edmund K. took it in straight sets.
Kyle Edmund beat Daniel Nguyen 7-5 6-3. Umpiry, "Kyle Edmund vs Daniel Nguyen — Aptos CH Round of 16", https://umpiry.com/match/2015-08-10/edmund-vs-nguyen-aptos-ch-r16?utm_source=cite (as of 10 August 2015).