Serena Williams’ former coach explains why Jannik Sinner struggled against Daniil Medvedev‎

Rick Macci spots a key issue in Sinner’s game during the rain delayJannik Sinner’s semi-final clash with Daniil Medvedev at the Italian Open was brought to a halt on Friday night because of rain, but after that, the Italian won the match. Sinner, looking to secure his sixth straight ATP Masters 1000 title, was ahead 6-2, 5-7, 4-2 when play was stopped.