French Open tennis - Alexander Zverev pays tribute to Roman Safiullin - 'He's playing incredible tennis'

French Open tennis - 'I played incredible but the tournament's not over' - Alexander Zverev

Alexander Zverev survives Kei Nishikori scare to set up Rafael Nadal clash at Italian Open

Tennis at Tokyo Olympics 2020: Novak Djokovic vs Alexander Zverev LIVE stream: When, Where, and How to Watch

Novak Djokovic congratulates Alexander Zverev on ATP Finals win, says he had an "incredibly tough year on and off the court"

Djokovic 3-2 Zverev