USA's Gauff beat Czech Republic's Siniakova 6-1, 6-4.
Seventh seed Coco Gauff defeats Katerina Siniakova in first round of Australian Open women's singles.
USA's Gauff beat Czech Republic's Siniakova 6-1, 6-4.
Track Latest News Live on NDTV.com and get news updates from India and around the world