Carlos Alcaraz to end year as youngest No 1 after Rafael Nadal exits ATP Finals


Teen becomes youngest year-end No 1 since rankings beganNadal loses four successive ATP matches since 2009Rafael Nadal was eliminated from the ATP Finals after Casper Ruud took the first set off Taylor Fritz in their round-robin match in Turin, which also guaranteed that Carlos Alcaraz would end the year as world No 1.Spaniard Nadal needed to win the tournament