Danielle Collins says Iga Swiatek failing a doping test due to contamination didn't cause her to feel any concerns regarding her supplement habits as the 31-year-old remains pretty convinced that everything she takes is perfectly clean.

The only women’s match featuring Grand Slam singles champions in the third round at the Australian Open turned out to be an overpowering win by Iga Swiatek over Emma Raducanu.

Everything came so easily for Iga Swiatek during a 6-1, 6-0 victory over Emma Raducanu on Saturday in the only Australian Open women's third-round match between two past Grand Slam champions that this was how she described it: "I felt like the ball is listening to me,