reference Brown Must τένισ τσιτσιπασ activity Municipalities Deadlock
Australian Open: 'truly unbelievable' Tsitsipas stuns Sinner to progress to semi-finals, as Iga Swiatek wins heated three hour battle | South China Morning Post
Στέφανος Τσιτσιπάς | SPORT24
Tsitsipas says off-court coaching will end unfair violations | Reuters
Player card - Stefanos TSITSIPAS - Roland-Garros - The 2023 Roland-Garros Tournament official site