Rising Greek star Stefanos Tsitsipas isn't lacking confidence in himself as he insists he deserves to play on the big stages, against the stars of the game. The Greek, who turned 20 years old in August, has had a breakthrough season on the tour.

The 19-year-old hasn't yet won an ATP title but came close to doing several times this season. Tsitsipas fell just short of winning it all at the Barcelona Open and the Toronto Masters as at both tournaments he ended runner-up to world No.

1 Rafael Nadal. The Greek's great season included wins over some of the biggest name of the game such as Novak Djokovic, Dominic Thiem, Alexander Zverev and Kevin Anderson. Tsitsipas, ranked at No. 16 in the world, reached his career-high ranking of No.

15 in the world in August. The Greek has already qualified for the NextGen Finals but admits that he still holds hopes of qualifying for the Nitto ATP Finals. It would be hard to see Tsitsipas qualifying for the Nitto ATP Finals as he is ranked at No.

14 on the ATP Race to London list. "I've been feeling great on the court and I believe that I deserve more than playing the NextGen Finals. Obviously, the NextGen Finals is a great campaign and it definitely means a lot to be a part of it, but I'm capable of bigger things.

I deserve to be on the big stages, playing with the top guys," Tsitsipas told the Times of India. Also read: Tomas Berdych, 33, set for Auckland debut