Sabalenka, Sinner and Alcaraz all affected by data tracking device ban ⌚️ Grand Slam Daily

John Millman joins Chris Stubbs to explain why tennis' biggest stars are no longer able to wear their data tracking watches when they previously could. Watch the full episode of Grand Slam Daily on Stan Sport 🎾 https://play.stan.com.au/programs/6114238/play 👉 Sign up to Stan Sport: http://www.stan.com.au/sport 👉 SUBSCRIBE: http://www.youtube.com/@stansportau Follow us 👇 TikTok: http://www.tiktok.com/@stansportau Instagram: http://www.instagram.com/stansportau Facebook: http://www.facebook.com/stansportau X: http://www.twitter.com/stansportau Threads: http://www.threads.com/@stansportau #StanSportAU #AusOpen #GrandSlamDaily