That change came in the form of new coach Dinara Safina, a former world No. 1 making a welcome return to tour alongside brother Marat Safin, who has begun coaching countryman Andrey Rublev.

Joao Fonseca has become the biggest ATP sensation this season and has been making headlines. Despite being only 18, the The post “He has become cool now,” Daniil Medvedev reflects on Joao Fonseca’s ...