Wimbledon’s much-discussed transition to a fully automated line-calling system faced fresh scrutiny on Tuesday after a glitch forced a point to be replayed during the quarterfinal clash between Taylor Fritz and Karen Khachanov.

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.

By Ossian Shine LONDON (Reuters) -Aryna Sabalenka was dragged into a bygone era on Tuesday and tormented for almost three hours on Wimbledon’s Centre Court before finally imposing her 21st-century power game to beat mesmeric Laura Siegemund for a place in the semi-finals.

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,

Tennis legend Roger Federer waves after Serbia’s Novak Djokovic beat Australia’s Alex de Minaur during a fourth round men’s singles match at the Wimbledon Tennis Championships in London, Monday, . (AP Photo/Kin Cheung) LONDON — Roger Federer was back at Wimbledon ,

Roger Federer is at the All England Club sitting in the Royal Box to watch Monday's fourth-round matches on Centre Court, starting with his former rival Novak Djokovic playing Alex de Minaur.

Dimitrov was leading world No 1 Jannik Sinner by two sets and was closing in on a place in the quarter-finals when injury struck

Belinda Bencic has advanced to her first Wimbledon quarterfinal — 11 years after her All England Club debut — by beating 18th-seeded Ekaterina Alexandrova 7-6 (4), 6-4

Belinda Bencic reaches the quarter-finals of Wimbledon for the first time with a straight-set win against Ekaterina Alexandrova.

Belinda Bencic advanced to her first Wimbledon quarterfinal -- 11 years after her All England Club debut -- by beating 18th-seeded Ekaterina Alexandrova 7-6 (4), 6-4 on Monday.