- Ex-girlfriend Olga Sharypova accuses Zverev of several assaults
- ATP chief says it has a responsibility to address allegations
The ATP has announced it is investigating high-profile allegations of domestic abuse made by the former girlfriend of Olympic champion Alexander Zverev.
Last October, the former junior player Olga Sharypova publicly accused the world No 4 of a series of serious assaults, to which he issued a blanket denial.