Matthias Bachinger defeated Jason Kubler 7-5 7-5 in the Australian Open qualifying round of 128 on hard. The upset overturned the form book — Jason Kubler came in defending last year's round of 128.
Bachinger M. took it in straight sets.
Matthias Bachinger beat Jason Kubler 7-5 7-5. Umpiry, "Matthias Bachinger vs Jason Kubler — Australian Open Qualifying Round of 128", https://umpiry.com/match/2020-01-14/bachinger-vs-kubler-australian-open-q128?utm_source=cite (as of 14 January 2020).