Jan Choinski defeated Jesper De Jong 6-1 7-6 in the Dubai qualifying round of 16 on hard. The upset overturned the form book — Jesper De Jong came in leading the head-to-head 1–0. Jan Choinski claimed a first win over Jesper De Jong in two meetings, levelling the head-to-head at 1–1.
Choinski J. took it in straight sets.
Hard: Choinski J. leads 1–0 · Clay: De Jong J. leads 1–0
Jan Choinski beat Jesper De Jong 6-1 7-6(4). Umpiry, "Jan Choinski vs Jesper De Jong — Dubai Qualifying Round of 16", https://umpiry.com/match/2026-02-21/choinski-vs-jong-dubai-q16?utm_source=cite (as of 21 February 2026).