She still has a long way to go before the final, but whatever happens from here, this was a crucial victory for the world No. 1.

LONDON — Aryna Sabalenka trailed by a set, then twice was down a break in the third, before grabbing the last three games to reach the Wimbledon semifinals by overcoming 104th-ranked Laura Siegemund, 4-6, 6-2, 6-4, at Centre Court on Tuesday.

World No. 1 Sabalenka had to grind out a tough win over No. 104 Laura Siegemund. Fritz cruised to his victory, setting up a semifinal against Carlos Alcaraz.