Alcaraz's recent struggles on fast hard courts are a welcome reminder that he has plenty of runway to improve.

Who will progress to the semi-finals? Follow the action with Katy Murrells’s game-by-game report.   15:28 So Zverev advances to a semi-final tomorrow against Taylor Fritz with the perfect record: three wins from three and six unanswered sets.

Alexander Zverev surged into the semi-finals of the ATP Finals after eliminating French Open and Wimbledon champion Carlos Alcaraz with a 7-6(5) 6-4 defeat, while Casper Ruud also advanced with a 6-4 5-7 6-2 win over Andrey Rublev on Friday.

After a disappointing 1-2 record and elimination from the ATP Finals, Carlos Alcaraz looks ahead to an emotional Team Spain Davis Cup event.

Carlos Alcaraz was the big name missing when the last two semifinal spots at the ATP Finals were filled by Alexander Zverev and Casper Ruud.

Alexander Zverev and Casper Ruud will round out the semifinals of the Nitto ATP Finals after each won Friday to win their groups in Turin, Italy. Zverev, who hails from Germany, dispatched Carlos Alcaraz of Spain 7-6 (5) and 6-4.

The German has been the form player of the week in Turin along with Jannik Sinner and he posted a statement victory.

Carlos Alcaraz turns attention to Rafael Nadal farewell after ATP Finals exit - Alcaraz exited in the group stage after losing 7-6 (5) 6-4 to Alexander Zverev.

Carlos Alcaraz was the big name missing when the last two semifinal spots were filled at the ATP Finals. Alcaraz's 7-6, 6-4 loss to Alexander Zverev meant the four-time Grand Slam champion was eliminated from the tournament for the top eight players.