Alexander Zverev ends his 2019 season with one title and a 44-25 record.

Alexander Zverev and Dominic Thiem have contested eight FedEx ATP Head2Head encounters, with Thiem leading 6-2.

Alexander Zverev is going for back-to-back Nitto ATP Finals titles in London.

Alexander Zverev reaches his second consecutive semi-final at the NItto ATP Finals on Friday in London.

Alexander Zverev improves to 7-4 at the Nitto ATP Finals.

Alexander Zverev returns to the semi-finals at the NItto ATP Finals on Friday in London.

Alexander Zverev is making his third consecutive appearance at the Nitto ATP Finals in London.

Alexander Zverev is making his third consecutive appearance at the Nitto ATP Finals in London.

Alexander Zverev is looking to defend his title at the 2019 Nitto ATP Finals.

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.