Two Czech tennis players – Karolína Muchová and Petra Kvitová – have progressed to the quarterfinals of the Indian Wells tennis tournament following victories Tuesday. Muchová, who is the eighth-ranked Czech female tennis player, beat Vondroušová in an all-Czech showdown. Former world number two Kvitová caused a small upset by beating U.S. Jessica Pegula, who was seeded third in the tournament. In the quarterfinals, Kvitová will play Greek Maria Sakkari, who is ranked seventh in the world. Muchová will play the Kazakh Elena Rybakina, ranked 10th. Both matches will be played Thursday.