Serbia's Novak Djokovic celebrates winning his group stage match against Russia's Andrey Rublev during the ATP Finals in Turin, Italy, Nov 17, 2021.TURIN, Italy — Novak Djokovic advanced to the semifinals of the ATP Finals by beating Andrey Rublev 6-3, 6-2 on Wednesday. The top-ranked Djokovic is attempting to match Roger Federer's record of six titles at the season-ending event for the top eight players in the world. Djokovic was again almost perfect on his serve, although Rub...

Serbia's Novak Djokovic celebrates winning his group stage match against Russia's Andrey Rublev during the ATP Finals in Turin, Italy, Nov 17, 2021.TURIN, Italy — Novak Djokovic advanced to the semifinals of the ATP Finals by beating Andrey Rublev 6-3, 6-2 on Wednesday. The top-ranked Djokovic is attempting to match Roger Federer's record of six titles at the season-ending event for the top eight players in the world. Djokovic was again almost perfect on his serve, although Rub...