Alexander Zverev wins 88 per cent of his first-serve points during his victory against Rafael Nadal on Monday.

Alexander Zverev, Stefanos Tsitsipas, Daniil Medvedev and Rafael Nadal will compete for two semi-final spots in Group Andre Agassi at the 2019 Nitto ATP Finals.

Alex Zverev, playing at The O2 in London for the third successive year, is bidding to retain the Nitto ATP Finals title.

Alexander Zverev snaps a selfie with the 2019 Nitto ATP Finals singles field.

Alexander Zverev won 87 per cent of his service points against Fernando Verdasco at the Rolex Paris Masters.

Alexander Zverev evened his FedEx ATP Head2Head rivalry with Fernando Verdasco (2-2) after prevailing at the Rolex Paris Masters.

Daniil Medvedev and Alexander Zverev contested the first ATP Masters 1000 final to feature two under-24 players since the 2009 Rolex Paris Masters.

Alexander Zverev holds all of his service games in a straight-sets victory against Matteo Berrettini in the Shanghai semi-finals.

Alexander Zverev celebrates his three-set win against Roger Federer on Friday at the Rolex Shanghai Masters.

Fifth seed Alexander Zverev saves three set points in the first-set tie-break en route to beating Jeremy Chardy on Wednesday in Shanghai.

Second seed Alexander Zverev won 82 per cent of his first-service points to break down the game of Sam Querrey on Friday in Beijing.

Alexander Zverev hits 21 winners to only eight unforced errors on Thursday at the China Open in Beijing.

Second seed Alexander Zverev records his 35th match win of the year with victory over Frances Tiafoe in Beijing on Monday.

Alexander Zverev owns a 6-3 record at the China Open.

Alexander Zverev's victory over Milos Raonic gives Team Europe their third straight Laver Cup title.

Alexander Zverev completes a successful title defence for Team Europe at the Laver Cup.

Roger Federer and Alexander Zverev prevail at Laver Cup in their debut outing as a team.

Team Europe takes a selfie ahead of the 2019 Laver Cup in Geneva.

Alexander Zverev reaches the fourth round of the US Open for the first time.

Alexander Zverev wins his second five-set match of the week against Frances Tiafoe at the US Open.

Alexander Zverev fights into the second round at the US Open.

Alexander Zverev is through to the quarter-finals in Canada for the third straight year.

Alexander Zverev looks to turn the tables against Nikoloz Basilashvili at the Coupe Rogers.

Alexander Zverev returns to Montreal with a straight-sets win against Cameron Norrie on Tuesday.

Alexander Zverev and Andrey Rublev picked up for their first ATP Tour doubles win as a team on Monday at the Coupe Rogers.