Angelique Kerber became the latest grand slam champion to feel the force of 20-year-old Daria Kasatkina at Indian Wells.
Defending champion Roger Federer was a happy man following his fourth-round victory over Jeremy Chardy at Indian Wells.
Roger Federer and Juan Martin del Potro reached the Indian Wells Masters quarter-finals on Wednesday.
Roger Federer improved to 15-0 this year after beating Jeremy Chardy at the Indian Wells Masters.
Petra Martic was a break up in the final set, but Simona Halep showed why she is world number one to progress at Indian Wells.
While world number one Simona Halep advanced at the Indian Wells Masters, Caroline Wozniacki was beaten.
Juan Martin del Potro and Milos Raonic won through at Indian Wells, but Marin Cilic was beaten.
Daria Kasatkina outplayed Caroline Wozniacki to move into the Indian Wells Masters quarter-finals.
Simona Halep was not punished for an unconvincing first-set showing as she breezed past Wang Qiang at the Indian Wells Masters.
Making money through lemonade stands is a long-standing tradition and one that Roger Federer's children have used to raise funds.
Naomi Osaka blitzed Daria Kasatkina 6-3 6-2 in the battle of the 20-year-olds for the biggest victory of her young career.
Winning the Indian Wells Masters title came as a surprise to newly crowned champion Juan Martin del Potro.
Juan Martin del Potro is not daunted by Sunday's decider against world number one and defending champion Roger Federer.
It was Naomi Osaka who held her nerve in the battle of the 20-year-olds in the Indian Wells Masters final.
World number one Roger Federer was left frustrated by his loss to Juan Martin del Potro in the Indian Wells Masters final.
Juan Martin del Potro emerged from the jaws of defeat for his maiden Masters 1000 title at the expense of defending champion Roger Federer.
After claiming glory at Indian Wells, Juan Martin del Potro will have his work cut out if he is to go back-to-back at the Miami Open.
World number one Roger Federer skipped last year's clay-court season, but he is unsure if he will do the same again.