Rublev missed the matchball against Tsitsipas and lost the chances of getting out of the final tournament group

Debutant final ATP tournament Andrey Rublevlosing to the reigning champion in the second match of the group stage Stefanos Tsitsipas 1: 6, 6: 4, 6: 7, lost the chances of reaching the semifinals.
Defending champ stayin 'alive! @StefTsitsipas survives a rollercoaster with Rublev 6-1 4-6 7-6 (6) to set-up a showdown on Thursday with Nadal for the second semi-final spot in Group London 2020#NittoATPFinals pic.twitter. com / V0nSelaIbO
- Tennis TV (@TennisTV) November 17, 2020
23-year-old Rublev - the owner of five titles of the season - made a double mistake in matchball with a 6: 5 tie-break. After his defeat, US Open champion Dominic Thiem advanced to the semifinals from the London group.
The second semi-finalist from the group will be determined in the meeting between Tsitsipas and Rafael Nadal on Thursday.
Rublev very disappointingly ended the fight in the final tournament: he missed the matchball against Tsitsipas by a double mistake and lost the decisive tie-break