Yuuya Kibi defeated Brian Baker 6-3 7-6 in the Australian Open qualifying round of 128 on hard. The upset overturned the form book — Brian Baker came in defending last year's round of 128.
Kibi Y. took it in straight sets.
Yuuya Kibi beat Brian Baker 6-3 7-6(4). Umpiry, "Yuuya Kibi vs Brian Baker — Australian Open Qualifying Round of 128", https://umpiry.com/match/2017-01-11/baker-vs-kibi-australian-open-q128?utm_source=cite (as of 11 January 2017).