Tennis, ATP Finals: Alexander Zverev wehrt sich gegen Schummel-Vorwürfe
Roland Garros – Alexander Zverev talks about diabetes in tennis: “You need precise and sensible rules to make insulin”
Relevant Tennis on Twitter: "World no. 2 Alexander Zverev said he has been suffering from type 1 diabetes since he was four years old and announced the launch of his Alexander Zverev
Swiatek, Tsitsipas back in Open action | The Border Mail | Wodonga, VIC
Competitive athlete with diabetes? That is impossible" - Zverev opens up about his story
Zverev opens up on diabetes condition that made parents 'very scared' - Sports Aaj English TV
Stefanos Tsitsipas beats Karen Khachanov to reach first Australian Open final | Saffron Walden Reporter
Insulin Injection 'Weird'?: Zverev Angered By Roland Garros Organizers