Dominic Thiem celebrates beating John Isner on Friday at the Mutua Madrid Open.

Third seed Dominic Thiem beats John Isner for a place in the Madrid semi-finals.

Third seed Dominic Thiem beat John Isner on Friday for a place in the Madrid semi-finals.

Dominic Thiem is making his sixth appearance at the Mutua Madrid Open.

Dominic Thiem is chasing his second ATP Masters 1000 title.

Dominic Thiem defeats Marcos Giron on Tuesday evening in Madrid without facing a break point.

Dominic Thiem lets slip a 5/2 advantage in the first set tie-break, but recovers to beat Aslan Karatsev on Wednesday in Doha.

Third seed Dominic Thiem, who reached the 2020 Australian Open final, loses to No. 18 seed Grigor Dimitrov on Sunday.

Nick Kyrgios congratulates third seed Dominic Thiem after his third-round victory on Friday at the Australian Open.

Third seed Dominic Thiem fights back to beat Nick Kyrgios on Friday night at the Australian Open.

Third seed Dominic Thiem cruises past Dominik Koepfer on Wednesday at the Australian Open.

Last year's finalist Dominic Thiem will begin his Australian Open campaign against Mikhail Kukushkin on Monday.

Team Austria will try to advance through Group C to reach the semi-finals of the ATP Cup.

Thiem hopes to claim the 300th victory of his career in the semi-finals.

Thiem narrows the gap against Nadal in their FedEx ATP Head2Head series as he trails 9-6.

Thiem narrows the gap against Nadal in their FedEx ATP Head2Head series as he trails 9-6.

Dominic Thiem defeats Rafael Nadal in straight sets to earn his second win in Group London 2020.

Dominic Thiem moves to 1-0 in Group London 2020 with a three-set win against reigning champion Stefanos Tsitsipas.

Dominic Thiem wins his opening round-robin match at the Nitto ATP Finals for the second consecutive year.

Dominic Thiem owns 17 tour-level trophies.

Dominic Thiem will face Stefanos Tsitsipas in the opening singles match of the 2020 Nitto ATP Finals.

Dominic Thiem is making his fifth straight appearance at the Nitto ATP Finals.

The eight Nitto ATP Finals singles players take part in a special tribute photo, thanking the NHS and all key workers.

Dominic Thiem owns a 14-8 record at the Erste Bank Open in Vienna.