Venus and Serena Williams are just one round away from facing each other in the Wimbledon final after the each one their quarterfinal matches on Tuesday.

“We definitely upped our levels of game today,” Serena said.

Venus was the first to make it into the semifinals with an impressive 6-2, 6-3 win over Victoria Azarenka. She’ll have a tuff match-up against top-ranked Dinara Safina on Thursday.

Serena earned her spot in the semis by beating Victoria Azarenka, 6-2 6-3. Her semifinal match-up will be against Elena Dementieva.