Nicholas Monroe, Denis Istomin, Rohan Bopanna and Divij Sharan have fun ahead of the Tata Open Maharashtra in Pune.

Denis Istomin and Rohan Bopanna join other ATP Tour stars at the Tata Open fashion show on Saturday.

Denis Istomin captures his second ATP Challenger Tour crown of 2018, in Almaty, Kazakhstan.

Denis Istomin reigns at the inaugural ATP Challenger Tour event in Chicago.

Denis Istomin defeats Nicolas Jarry in three sets to reach the Generali Open final on Friday.

Qualifier Denis Istomin reaches his first ATP World Tour semi-final since October 2017 by beating Maximilian Marterer on Thursday in Kitzbuhel.

Denis Istomin falls to Lucas Pouille in his second quarter-final of the season.

Denis Istomin upsets two-time MercedesCup runner-up Philipp Kohlschreiber in straight sets on Tuesday.

Denis Istomin won 54 per cent of first-return points against home favourite Adrian Andreev to advance in Sofia on Tuesday.

Denis Istomin, who defeated Pierre-Hugues Herbert on Monday, is one of eight unseeded players vying for a quarter-final spot in the fourth eighth of the draw.

Denis Istomin reaches first-set tiebreak before retiring in second set of his Brisbane quarter-final against Ryan Harrison on Friday.

Denis Istomin reaches his first ATP World Tour quarter-final since September 2017 (in Chengdu) with victory over Jared Donaldson in Brisbane on Thursday.

Denis Istomin lifts his first Chengdu Open trophy.

Denis Istomin lifts his first Chengdu Open trophy.

Uzbekistan's Denis Istomin beats Yuichi Sugita of Japan on Saturday to reach the Chengdu Open final.

Denis Istomin reacts to holding off Jared Donaldson in a third-set tie-break to reach the Chengdu semi-finals.

Uzbekistan's Denis Istomin knocks out defending champion Karen Khachanov at the Chengdu Open on Wednesday.

Denis Istomin rallies from a set down to upset Richard Gasquet in the first round in Metz.

Denis Istomin celebrates beating six-time champion Novak Djokovic at the Australian Open on Thursday.

World No. 117 Denis Istomin is playing one of the best matches of his career on Thursday against Novak Djokovic at the Australian Open.

Denis Istomin falls to Rafael Nadal in the first round.

Denis Istomin eliminó al jugador #NextGen Borna Coric.

Aliaksandr Bury and Denis Istomin claim the Gstaad doubles crown.

Denis Istomin advances to Swiss Open Gstaad second round in 55 minutes.

Denis Istomin advances to the second round in Bastad.