An off-colour Carlos Alcaraz suffered a shock 6-1 7-5 defeat against Norway's Casper Ruud in his opening match at the ATP Finals as the Spaniard's hopes of winning the year-end title for the first time suffered a blow on Monday.

Shaboury for updates as Carlos Alcaraz and Casper Ruud open this year’s John Newcombe Group at the ATP Finals in Turin.   14:31 *Alcaraz 1-6, 5-6 Ruud (*denotes server) The Spaniard hits a pacy first serve and the crowd cheers him on but he then attempts another drop shot,

Casper Ruud’s first victory over Alcaraz in 5 career meetings could make it difficult for the Spaniard with Germany’s Zverev on a hot streak.

Wimbledon champion Carlos Alcaraz suffered a surprising opening defeat to Casper Ruud at the ATP Finals in Turin, struggling with a stomach issue that hindered his usual Grand Slam-winning form. Ruud capitalized on Alcaraz’s lackluster performance,

Carlos Alcaraz struggled with a stomach issue and looked far from the player who won two Grand Slams this year in losing to Casper Ruud 6-1, 7-5 at the ATP F

In the Round Robin at the Nitto ATP Finals on Wednesday, Alexander Zverev (ranked No. 2) meets another top-10 competitor in Casper Ruud (No. 7). Watch tennis, other live sports and more on Fubo. Use our link to sign up for a free trial.

On Monday, Carlos Alcaraz (No. 3 in the world) faces Casper Ruud (No. 7) in a top-10 battle in the Round Robin at the Nitto ATP Finals.Alcaraz’s last match was a win, 7-5, 6-2, over Karen

Carlos Alcaraz looked little like the player who won two Grand Slams this year in a 6-1, 7-5 loss to Casper Ruud at the ATP Finals

Carlos Alcaraz struggled with a stomach issue and looked far from the player who won two Grand Slams this year in losing to Casper Ruud 6-1, 7-5 at the ATP Finals. It marked Ruud’s first victory over Alcaraz in five career meetings,