Griekspoor stuns top-seeded Zverev, avenges French Open 'heartbreak

Tallon Griekspoor stunned top-seeded Alexander Zverev 4-6, 7-6 (7/5), 7-6 (7/4) in the second round at Indian Wells on Friday, avenging a devastating loss to the German at Roland Garros last year. Zverev, the world number two who is