This moment when Djokovic is singing on Rod Laver Arena for his mom's birthday
The crowd began the song, followed right after by the Serb.
Duckworth
Sweeny
00:30
McCabe
Hijikata
01:00
Merida Aguilar
Moller
12:40
Sherif
Dolehide
3
6
6
6
4
4
Ficovich
Barrientos
6
6
2
2
Falei
Ruse
12:25
Zhang
Kolodynska
02:00
2 live
Tous (81)
Open d'Australie 
