Former American tennis player Ryan Harrison aimed a dig at Andy Murray during Novak Djokovic’s clash against Tomas Machac on Friday. Murray is currently working as part of Djokovic’s coaching team for the Australian Open after entering retirement following the Paris Olympics.

The recently retired Scot says his new charge is undoubtedly the greatest tennis player of all time, but has struggled to stay motivated since winning his first Olympic gold medal last year.

All eyes will be on Andy Murray and Novak Djokovic over the next fortnight at the Australian Open as the Scot sets his former rival a new challenge, having crowned him tennis' 'GOAT'

The Australian Open’s new “coaching pods” have continued to raise eyebrows after a conversation between Novak Djokovic and his new coach Andy Murray left fans in disbelief.

MELBOURNE, Australia — Novak Djokovic and Andy Murray have known each other for a quarter of a century. They played from the age of 12, meeting 36 times as professionals, including 10 Grand Slam matches . Yet they’ve never been able to talk shop and freely trade all sorts of thoughts — about tennis and otherwise — until now.

Novak Djokovic got the bright idea to hire the recently retired Andy Murray as his coach, at least through the Australian Open.

Andy Murray has been coaching Novak Djokovic at the Australian Open this month and has been left surprised by one aspect of the Serb's behavior away from the court.

Andy Murray is coaching Novak Djokovic at the Australian Open as the Serbian looks to win the tournament for an 11th time, but there is an issue that awaits the Brit