Kyrgios was attempting to save break points when he attempted the audacious underarm with Nadal way back from the baseline as normal.
Tennis
'You don't have to fool yourself' - Nadal accepts Djokovic will win most Grand Slams
02/12/2021 AT 14:51
Despite all the inspired play that led to the mercurial Australian beating Nadal, the underarm overshadowed all the great shots he produced.
The underarm only served to anger Nadal, even though it was unsuccessful, and Kyrgios' celebration at winning the match ramped up feelings further.
Cue, that handshake...
What a wild match.
Australian Open
'I'm better than you!' - Kyrgios lifts lid on 'uncomfortable' Serena doubles match
02/12/2021 AT 07:30
Davis Cup
Djokovic helps Serbia to win over Austria; Spain and Italy win
26/11/2021 AT 22:46