Serbian tennis superstar Novak Djokovic says tennis will always be a big part of his life, even when he retires. Djokovic, 34, is facing an uncertain future on the Tour as he is refusing to take the COVID-19 vaccine. Djokovic refused to take the vaccine after the Australian Open introduced mandatory vaccination for its participants but flew to Australia after being granted a medical exemption. However, Djokovic didn’t get a chance to compete in Australia as the Australian authorities canceled his visa and deported him from the country. “I don’t just see life after tennis. I see tennis in my life forever.I have the tennis center in Belgrade. We are growing that facility and the concept. I’m trying to convey and transfer all the met …