A little more than a week ago, Olympic gold medalist Alexander Zverev accused Tsitsipas of getting help via phone messages from his father, who's also his coach, on a lengthy trip to the bathroom ...

Zverev, who reached the French Open final in Paris this year, ruthlessly served out to win and keep alive his hopes of claiming a second ATP 1000-level trophy of the season. - 'One of the best' - ...