Denis Istomin, the star coached by his mum, told he would never play tennis again following horrific car crash... and famous conqueror of Novak Djokovic at the Australian Open 2017 | The Sun
Who is Denis Istomin? Novak Djokovic conqueror at Australian Open - here's what we know | The Sun
Denis Istomin - TennisConsult. Advice from tennis experts