It was de Groot's fifth Australian Open title and 17th Grand Slam singles trophy overall.
Dutch legend Diede de Groot extended her winning streak to nine consecutive Grand Slam titles when she overcame a slow start to beat Yui Kamiji of Japan 0-6 6-2 6-2 in the women's wheelchair singles final at the Australian Open on Saturday. (More Tennis News)
It was de Groot's fifth Australian Open title and 17th Grand Slam singles trophy overall. Kamiji was the last player to beat de Groot — more than two years ago.
In the quad singles final, No. 2-seeded Sam Schroder beat fellow Dutchman and top-seeded Niels Vink 6-2, 7-5. It was Schroder's fourth Grand Slam title.
Vink and Schroder have dominated the quad division since the retirement of Australian Dylan Alcott after the Australian Open last year, and the Dutch duo were playing for a fourth consecutive Grand Slam quad title.
No. 1 Alfie Hewett of Britain faced No. 3 Tokito Oda of Japan in the later men's singles final.