jannik Sinner advances to his 12th tour-level quarter-final of the year by beating Yoshihito Nishioka on Sunday in Beijing.

Carlos Alcaraz in action on Sunday in Beijing.

Alexander Zverev seeks his third Beijing semi-final.

Ivan Dodig and Austin Krajicek advance to the quarter-finals with a straight-sets win on Saturday at the China Open.

Ugo Humbert celebrates winning a point during his China Open clash with Andrey Rublev on Saturday in Beijing.

Andrey Rublev in action against Ugo Humbert on Saturday at the China Open in Beijing.

Daniil Medvedev hits 21 winners en route to victory against Alex de Minaur on Saturday in Beijing.

Carlos Alcaraz leads the ATP Tour this season with career-bests in titles (6) and finals (8).

Holger Rune strikes 15 winners, including seven aces, en route to beating Felix Auger-Aliassime on Friday in Beijing.

Daniil Medvedev in action en route to first-round victory against Tommy Paul on Friday in Beijing.

Alex de Minaur improves to 5-0 in his Lexus ATP Head2Head series against Andy Murray.

Andy Murray in action on Thursday in Beijing.

Daniil Medvedev is making his debut in Beijing.

Dominic Thiem wins his second hard-court title of the season on Sunday at the China Open in Beijing.

Dominic Thiem will make his fourth appearance at the Nitto ATP Finals in November.

Filip Polasek and Ivan Dodig own an 18-5 tour-level record as a team.

Stefanos Tsitsipas owns two wins from five FedEx ATP Head2Head encounters against China Open final opponent Dominic Thiem.

Dominic Thiem hits 36 winners to beat Karen Khachanov at the China Open on Saturday.

Andy Murray owns a 12-3 record at the China Open.

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.

Third seed Stefanos Tsitsipas completes a polished performance against John Isner on Friday in Beijing.

Dominic Thiem celebrates beating 2016 champion Andy Murray on Friday for a place in the Beijing semi-finals.

Fourth seed Karen Khachanov grows in confidence during his quarter-final victory over Fabio Fognini on Friday in Beijing.

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

Stefanos Tsitsipas records his 40th match win of 2019 with victory over defending champion Nikoloz Basilashvili on Thursday in Beijing.