Aryna Sabalenka was forced to dig deep in the Wimbledon quarter-finals on Tuesday, as the world No 1 fended off a spirited challenge from 37-year-old doubles specialist Laura Siegemund.

World number one Aryna Sabalenka fights back to beat Laura Siegemund and claw her way into the Wimbledon semi-finals.

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.