Djokovic was congratulated by tour players, former players, fellow sportsmen and legends of the sport on Twitter; on what is a record-extending achievement.
Among them was Rod Laver, legendary former three time Australian Open winner who praised his opponent Thiem; but said that Djokovic did what champions do and that is find a way to win.
As well the likes of Fernando Verdasco and former Australian Open finalist, Kevin Anderson congratulated him; as did Bayern Munich striker Robert Lewandowski.
https://twitter.com/rodlaver/status/1223961195415101441
https://twitter.com/FerVerdasco/status/1223954533891629061
https://twitter.com/lewy_official/status/1223962823971221509
https://twitter.com/KAndersonATP/status/1224042809482784771