Roger Federer to withdraw from Australian Open 2021source https://www.indiatoday.in/sports/tennis/story/roger-federer-to-withdraw-australian-open-2021-plans-return-schedule-knee-injury-1753680-2020-12-28?utm_source=rss
Roger Federer to withdraw from Australian Open but planning 2021 return: Agent
Roger Federer to withdraw from Australian Open 2021source https://www.indiatoday.in/sports/tennis/story/roger-federer-to-withdraw-australian-open-2021-plans-return-schedule-knee-injury-1753680-2020-12-28?utm_source=rss