Dominic Thiem beats Novak Djokovic to reach last four: ATP Finals

The Austrian produced an incredible performance to roar back from a set down and then 4-1 in the deciding tie-break

Federer beats Djokovic to reach semis at ATP Finals

Roger Federer beats Novak Djokovic at 2019 ATP Finals in London - BBC Sport

ATP Finals: Novak Djokovic beats Alexander Zverev, advances to semifinals

Thiem reaches ATP Finals semis as Djokovic and Federer face shoot-out

ATP Finals: Roger Federer beats Novak Djokovic for 1st time in 4 years to seal semi-final berth - India Today

Novak Djokovic recovers from losing first set to beat Dominic Thiem in ATP World Tour Finals opener

US Open Tennis Championships - Dominic Thiem defeats Novak Djokovic to claim his 300th Tour-level win and reach the singles final in London!

Thiem beats Djokovic to reach London final - New Telegraph

ATP Finals 2019: Dominic Thiem pips Novak Djokovic to enter semifinals - The Statesman

Dominic Thiem outlasts Novak Djokovic to reach ATP Finals title match

ATP Finals 2020: Novak Djokovic expects a tough fight against Dominic Thiem ·