Several Czech players secured their place in the third round of the US Open on Wednesday. Marie Bouzková defeated Harriet Dart with relative ease, while Nikola Bartůňková overcame a challenge from Tatjana Maria, winning after being behind. Youngster Jakub Menšík also advanced with a victory in his match. However, Kateřina Siniaková’s campaign ended in a hard-fought loss against former champion Naomi Osaka. Fellow Czech player Dalibor Svrčina was also eliminated from the tournament. These results mark a mixed day for Czech representation at the final Grand Slam of the season.