John Millman defeated Taro Daniel 6-1 6-3 in the Aptos CH quarter-final on hard. The upset overturned the form book — Taro Daniel came in defending last year's round of 32.
Millman J. took it in straight sets.
John Millman beat Taro Daniel 6-1 6-3. Umpiry, "John Millman vs Taro Daniel — Aptos CH Quarter-final", https://umpiry.com/match/2015-08-10/daniel-vs-millman-aptos-ch-qf?utm_source=cite (as of 10 August 2015).