India, March 17 -- Mirra Andreeva upset World No. 1 Aryna Sabalenka to claim the Indian Wells title on Sunday, securing a thrilling three-set victory, 2-6, 6-4, 6-3.

The 17-year-old Russian rising star triumphed over Sabalenka just days after revealing she was eagerly awaiting a "special gift" from her parents - a puppy promised to her by her mother.

Andreeva had been expecting the dog last fall after her mother promised to get her one if she broke into the WTA's Top 20. In October, after reaching the China Open quarterfinals, Andreeva reminded her mother of the promise.

"Before, I was always checking live rankings, because before, I was playing for a dog. So after every match I play, I would check the live rankings to see if I did it,...