Boris Becker and Nick Kyrgios were involved in a tense Twitter stand-off over the Australian's criticism of Alexander Zverev.
Australian Nick Kyrgios blasted Alexander Zverev, who was apparently spotted partying.
Having described The Adria Tour as "boneheaded", Nick Kyrgios directed further criticism at world number one Novak Djokovic.
The US Open appears set to go ahead amid the coronavirus pandemic, and Nick Kyrgios is the latest top player to express reservations.
Novak Djokovic has 17 grand slams to Andy Murray's three, but Nick Kyrgios says the Scot is a better player.
Andy Murray is battling to recover fitness and form, but his backhand could do with a little work judging by a new video of the Scot.
Rivals on the ATP Tour, Nick Kyrgios has entertained the idea of sharing an Instagram Live call with Rafael Nadal.
With tennis on hiatus amid the COVID-19 crisis, Nick Kyrgios used his spare time to get a striking new tattoo.
Nick Kyrgios said there will be "no questions asked" if people get in touch with him to ask for food during the coronavirus pandemic.
Nick Kyrgios was unimpressed by the reaction he received after pulling out of his match with Ugo Humbert.