Alex Rybakov defeated Thai Son Kwiatkowski 4-6 6-1 6-3 in the Washington qualifying round of 32 on hard. The upset overturned the form book — Thai Son Kwiatkowski came in leading the head-to-head 1–0, but Alex Rybakov had been the form player, winning 4 of their last 10 on hard. Alex Rybakov claimed a first win over Thai Son Kwiatkowski in two meetings, levelling the head-to-head at 1–1.
Rybakov A. came through in three sets.
Hard: Rybakov A. leads 1–0 · Clay: Son Kwiatkowski T. leads 1–0
Alex Rybakov beat Thai Son Kwiatkowski 4-6 6-1 6-3. Umpiry, "Alex Rybakov vs Thai Son Kwiatkowski — Washington Qualifying Round of 32", https://umpiry.com/match/2022-07-30/kwiatkowski-vs-rybakov-washington-q32?utm_source=cite (as of 30 July 2022).