Benjamin Hassan defeated Jan Choinski 6-4 6-0 in the Australian Open qualifying round of 128 on hard. The upset overturned the form book — Jan Choinski came in ranked #91, leading the head-to-head 1–0. Benjamin Hassan claimed a first win over Jan Choinski in two meetings, levelling the head-to-head at 1–1.
Hassan B. took it in straight sets.
Hard: Hassan B. leads 1–0 · Clay: Choinski J. leads 1–0
Benjamin Hassan beat Jan Choinski 6-4 6-0. Umpiry, "Benjamin Hassan vs Jan Choinski — Australian Open Qualifying Round of 128", https://umpiry.com/match/2024-01-10/choinski-vs-hassan-australian-open-q128?utm_source=cite (as of 10 January 2024).