Maja Chwalinska upset the favoured Kateřina Siniaková 6–0, 7–5 at Wimbledon on grass in the first round on 27 June 2022. Siniaková entered as the pre-match favourite at odds of 1.35, with Chwalinska priced at 3.47, yet the Polish player delivered a dominant performance to claim a decisive opening set before holding firm in the second. The result represents a significant upset and suggests Chwalinska possesses the grass-court prowess to progress further in the tournament.