How different tennis ball types change training, ATP, WTA matches - Sports Illustrated

How often do they change the tennis balls in a match and why do they do it? - AS USA

Match charting – Heavy Topspin

For the WTA and ATP, 2024 Could Be a Year of Formative Change in Tennis - The New York Times

Healthy again, Vondrousova back and ready to share some wisdom

WTA concedes Finals 'not a perfect event' after player complaints

The ITPA Tennis Fitness Training and Tennis Certification and Knowledge Blog. - International Tennis Performance Association

Carlos Alcaraz blasts 'unbelievable' ATP decision as he sends injury warning to chiefs, Tennis, Sport

Women's tennis tour ends Peng Shuai-inspired China boycott –

I go to sleep at 5am': Tennis stars brace for more late shows at US Open, US Open Tennis 2023