(Reuters) - Andrey Rublev began his ATP Finals campaign with a victory over Greek Stefanos Tsitsipas but three hours before the match, the Russian had no idea what day it was after waking up dazed and confused following a pre-match nap.
Rublev beat world number four and 2019 champion Tsitsipas 6-4 6-4 https://www.reuters.com/lifestyle/sports/djokovic-downs-debutant-ruud-winning-start-atp-finals-2021-11-15 on Monday on the back of some fine serving, but the 24-year-old Russian was clearly not used to playing late after his group match was scheduled for 9 p.m. local time in Turin.