Novak Djokovic has backed Danielle Collins for her cheeky response to hostile fans at the Australian Open and said the sport could afford to take itself a little less seriously. Collins blew kisses at the booing crowd and thanked them for paying for her next five-star vacation after beating local Destanee Aiava in the second round on Thursday.

Count Novak Djokovic as being in Danielle Collins’ corner. He thinks her response to booing fans at the Australian Open was absolutely fine.

Danielle Collins has gotten into a back-and-forth with a booing crowd at the Australian Open after eliminating a local player