Daniil Medvedev's best result at the Australian Open came in 2019, when the Russian reached the fourth round.

Daniil Medvedev, who reached the Australian Open fourth round last year, trains at Melbourne Park on Tuesday.

Daniil Medvedev leads Russia against Serbia at the ATP Cup semi-finals in Sydney.

Daniil Medvedev receives advice from Team Russia captain Marat Safin in the Team Zone at the ATP Cup on Thursday.

Daniil Medvedev builds on his career-best 2019 at the ATP Cup in Sydney.

Team Russia: Daniil Medvedev, Karen Khachanov, captain Marat Safin, Teymuraz Gabashvili, Ivan Nedelko and Konstantin Kravchuk receive their medals for finishing at Group D winners in Perth at the ATP Cup.

Team Russia celebrates after receiving its Final Eight qualification medals at the ATP Cup.

Daniil Medvedev shakes hands with Marat Safin in the Team Zone after beating Casper Ruud at the ATP Cup on Tuesday.

Daniil Medvedev was on hand to present his coach, Gilles Cervara, the 2019 ATP Coach of the Year trophy in Perth at the ATP Cup on Tuesday.

Daniil Medvedev sealed Team Russia's spot in the Final Eight of the ATP Cup on Tuesday with victory over Casper Ruud in Perth.

Daniil Medvedev sealed Team Russia's spot in the Final Eight of the ATP Cup on Tuesday with victory over Casper Ruud in Perth.

Daniil Medvedev looks to lead Team Russia into the Final Eight at the ATP Cup.

Daniil Medvedev blitzed past American John Isner on Sunday night in Perth to give Team United States victory at the ATP Cup.

Daniil Medvedev worked his way past Fabio Fognini to give Team Russia an unassailable 2-0 lead on Friday at the ATP Cup.

Team Russia opens its ATP Cup campaign against Team Italy on Friday.

Team Russia captain Marat Safin watches on as Daniil Medvedev trains at the RAC Arena in Perth on Thursday afternoon.

Daniil Medvedev will lead Team Russia at the ATP Cup in Perth.

ATP Cup Team Russia's Daniil Medvedev, captain Marat Safin and Karen Khachanov hit Cottesloe Beach in western Perth on Tuesday morning.

ATP Cup Team Russia's Daniil Medvedev races junior lifesavers from across Perth on Tuesday at Cottesloe Beach.

ATP Cup Team Russia's Daniil Medvedev, captain Marat Safin and Karen Khachanov join junior lifesavers in Perth on Tuesday at Cottesloe Beach.

ATP Cup Team Russia's Daniil Medvedev races junior lifesavers from across Perth on Tuesday at Cottesloe Beach.

Daniil Medvedev competes with Surf Life Saving nippers in a flag race at Cottesloe Beach in Perth.

Daniil Medvedev, Marat Safin and Karen Khachanov spent time at Cottesloe Beach in Perth ahead of the ATP Cup.

Karen Khachanov and Daniil Medvedev will kick off the 2020 season at the ATP Cup in Perth.

Daniil Medvedev departs the Nitto ATP Finals with a 59-21 record this season.