Boris Becker said Daniil Medvedev should seek professional help in the wake of his "public meltdown" during Sunday's US Open first-round defeat by Benjamin Bonzi.
Coaches will come under nearly as much scrutiny as the players over the next fortnight at Wimbledon with every facial gesture captured on the TV cameras and repeated in super slow motion.
The former world number one said he had an honest conversation with Djokovic before taking up the coaching role between the end of 2013 and 2016.
Nadal says Wimbledon ban on Russian and Belarusian players unfair
World number two Novak Djokovic has confirmed that he and his coach Boris Becker have mutually agreed to end their three-year-long partnership. Djokovic, who lost the number one ranking he had held for 122 weeks to Britain's Andy Murray in November, asserted the goals they had set together have been fulfilled. He also thanked the German tennis legend for his cooperation and dedication. "Boris Becker and I have jointly decided to end our cooperation. The goals we set when we started working together have been completely fulfilled, and I want to thank him for the cooperation, teamwork, dedication and commitment," the 29-year-old, who clinched this year's Australian and French Open, confirmed on Facebook.
Liverpool never truly imposed themselves on the game but their trademark perseverance paid off and earned them a place in Saturday's final.
A report has surfaced from a Serbian publication which reveals that World No. 2 Novak Djokovic could sign up his Davis Cup teammate Nenad Zimonjic as a new coach. Djokovic last week parted ways with Boris Becker, who coached him for three years following a disappointing end to the year, where he lost his world number one ranking to Andy Murray.
Injured German skipper Michael Ballack's agent has sparked a controversy by reportedly launching a bizarre attack on the national team by branding some unnamed players a 'bunch of gays'.
Djokovic had named Agassi as his new coach on Sunday, following his defeat to Alexander Zverev in the Italian Open final.
The sixth-seed Russian beat unseeded German Benjamin Becker 6-2, 6-1 to win his second title of the year.
Here is a timeline of Djokovic's decline since the last of his 12 Grand Slam titles.