Carlos Alcaraz opened his account at the ATP Finals on Wednesday with an entertaining 6-3, 7-6 (10/8) win over Andrey Rublev, while Casper Ruud missed an early chance to reach the semi-finals after losing in straight sets to Alexander Zverev.

TURIN, Italy, Nov 11 (Reuters) - 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.

Casper Ruud stuns an out-of-sorts Carlos Alcaraz at the ATP Finals, before Alexander Zverev beats Andrey Rublev.

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

The high-stakes tournament of the ATP Finals opens with a blockbuster: 3-ranked Carlos Alcaraz faces off against 7th-ranked Casper Ruud in Round 1 of Group B. Both come into this match with contrasting momentum-Alcaraz promises much lately but is all over the place,

Over his last 10 tournaments, Alcaraz has won 83.3% of his service games and 35.8% of his return games. Over his last 10 tournaments, Ruud has won 25.7% of his return games and 80.1% of his service games.

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

The banners and signs — one of which declared, “Sinner for president.” Late in the second set of his victory over Taylor Fritz at the ATP Finals on Tuesday, Jannik Sinner used all the adulation in his home country to his advantage.

Norway's Casper Ruud eased to a straight-sets victory over Carlos Alcaraz on Monday as the Spanish star's bid for a maiden ATP Finals title got off to a poor start.