(Miami) Petra Kvitova reached the semifinals at the Miami Open on Thursday, winning 6-4, 3-6, 6-3 over Ekaterina Alexandrova.

The 15th seed beat the 18th in two hours and 12 minutes.

Kvitova reached this milestone in Miami for the first time in 13 appearances at the event.

Wimbledon champion in 2011 and 2014, the 33-year-old Czech had a 2-1 break advantage.

Kvitova notably took the service of her rival to settle in command 5-3 in the second set.

She collected six aces, including one that allowed her to win the first set.

Each player scored as many winners as unforced errors: 26 for Alexandrova, 19 for Kvitova.

In the semi-finals, Kvitova will face Romania’s Sorana Cirstea, 74th in the world.

Kvitova has won six of their 10 encounters.

On Thursday night, third-seeded Jessica Pegula will face off against 10th-seeded Elena Rybakina.