Roger Federer, Nick Kyrgios, Naomi Osaka, Alexander Zverev, Dominic Thiem, Serena Williams, Caroline Wozniacki, Petra Kvitova, Coco Gauff, Novak Djokovic, Stefanos Tsitsipas and Rafael Nadal take part in Rally For Relief on Wednesday night.

Dominic Thiem talks to former World No. 1 Thomas Muster on Monday in the build up to the 2020 Australian Open.

Dominic Thiem wins 75 per cent of his first-serve points en route to a straight-sets victory against Diego Schwartzman on Monday evening.

Dominic Thiem takes a 6-2 lead in his ATP Head2Head series with Diego Schwartzman.

Dominic Thiem practises in Sydney ahead of the inaugural ATP Cup.

Team Austria enjoys time at the Bondi Icebergs before the start of the ATP Cup in Sydney.

Sebastian Ofner, Dennis Novak, Dominic Thiem, Jurgen Melzer and Oliver Marach will lead Team Austria in the inaugural ATP Cup.

Dominic Thiem takes some advice from Team Austria captain Thomas Muster.

Dominic Thiem celebrated the new year with Team Austria as they prepare for the ATP Cup.

Dominic Thiem ends 2019 with five titles and a 49-19 record.

Dominic Thiem reached his seventh title match of the season at the Nitto ATP Finals.

Dominic Thiem is aiming to record his 50th victory of 2019 at the Nitto ATP Finals on Sunday.

Dominic Thiem will finish 2019 at No. 4 in the ATP Rankings.

Dominic Thiem is contesting his 25th tour-level championship match (16-8) at the Nitto ATP Finals on Sunday.

Dominic Thiem reaches his first Nitto ATP Finals title match on Saturday at The O2 in London.

Dominic Thiem saves all four break points he faces to beat defending champion Alexander Zverev at the Nitto ATP Finals on Saturday.

Dominic Thiem owns a 5-1 record in finals this year.

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

Dominic Thiem is appearing in his first Nitto ATP Finals semi-final in four appearances.

Dominic Thiem is making his fourth consecutive appearance at the Nitto ATP Finals in London.

Dominic Thiem will look to go to 3-0 in London on Thursday when he meets Italy's Matteo Berrettini.

Dominic Thiem hit 30 per cent of his forehands inside the baseline against Novak Djokovic on Tuesday evening in London.

Dominic Thiem will advance out of Group Bjorn Borg if he defeats Novak Djokovic at the Nitto ATP Finals.

Dominic Thiem improves to 5-2 career against Roger Federer.

Dominic Thiem will face Roger Federer in his first round-robin match at the 2019 Nitto ATP Finals.