Jason Kubler defeated Vilius Gaubas 7-5 6-2 in the Australian Open qualifying round of 64 on hard. The upset overturned the form book — Vilius Gaubas came in ranked #141.
Kubler J. took it in straight sets.
Kubler J. and Gaubas V. faced 1 of the same opponent in the last 12 months. Kubler J. went 1–0 (100%) against them, Gaubas V. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Jason Kubler beat Vilius Gaubas 7-5 6-2. Umpiry, "Jason Kubler vs Vilius Gaubas — Australian Open Qualifying Round of 64", https://umpiry.com/match/2026-01-14/gaubas-vs-kubler-australian-open-q64?utm_source=cite (as of 14 January 2026).