Following his strong run, Nishikori’s coach has now called out Carlos Alcaraz and Jannik Sinner, and warned that the former No. 4 can still be as dangerous as ever. Nishikori spent years at the top of men’s tennis, cementing himself as a solid top-10 player during the Big Four era. He reached a Grand Slam final at the US Open and lifted 12 titles.

In a recent interview with ‘Tuttosport’, former Matteo Berrettini’s coach Vincenzo Santopadre talked about the amazing rivalry between Sinner and Alcaraz: “I saw Sinner train in Dubai. A spectacle. He continues to invest in himself, he has never stopped doing so.

Tennis fans are eager to see Novak Djokovic compete with Andy Murray in his players' box, but one tennis legend thinks Rafael Nadal could also be a good mentor