Adrian Mannarino captures his fourth tour-level trophy on Tuesday in Astana.

Adrian Mannarino in action on Tuesday in Astana.

Sebastian Korda celebrates in Astana on Tuesday.

Hamad Medjedovic celebrates after beating World No. 29 Jiri Lehecka on Sunday in Astana for the biggest win of his career.

Dominic Thiem saves two break points late in the third set to beat Marcos Giron in Astana.

Sebastian Korda defeats Alexei Popyrin on Friday on his debut at the Astana Open.

Dominic Thiem defeats Juan Pablo Varillas in the Astana Open first round.

Marcos Giron in action on Thursday in Astana.

Alexander Shevchenko earns his third tour-level hard-court win on Wednesday in Astana.

Novak Djokovic defeats Stefanos Tsitsipas on Sunday in Astana.

Novak Djokovic in action on Sunday in Astana.

Nikola Mektic and Mate Pavic celebrate winning the title in Astana.

Novak Djokovic in action on Saturday in Astana.

Stefanos Tsitsipas earns his 53rd tour-level win of the season on Saturday in Astana.

Novak Djokovic in action against Daniil Medvedev on Saturday in Astana.

Daniil Medvedev in action on Saturday in Astana.

Stefanos Tsitsipas is seeking his third tour-level title of the season this week in Astana.

Novak Djokovic is seeking his fourth tour-level title of the season this week in Astana.

Stefanos Tsitsipas in action on Friday in Astana.

Novak Djokovic in action against Botic van de Zandschulp on Thursday in Astana.

Novak Djokovic celebrates his straight-sets win against Botic van de Zandschulp on Thursday in Astana.

Stefanos Tsitsipas celebrates defeating #NextGenATP Italian Luca Nardi at the Astana Open on Wednesday.

Novak Djokovic in action against Cristian Garin at the Astana Open on Wednesday.

Luca Nardi strikes a forehand during his win against David Goffin in Astana qualifying on Sunday.

Novak Djokovic practises in Astana on Tuesday in preparation for his first-round match against Cristian Garin.