- The quarantine of Birds Open forces another star to come outHerald Sun.
- The world number 25 makes sad the announcement of the Australian OpenYahoo Sport Australia
- John Isner will not play in the Australian Open: “It was not an easy decision”ATP Tour
- “It wasn’t an easy decision”: the ATP star skipped the Australian openingTennishead
- Australian Open 2021: American John Isner, the best ranked, retires as COVID qualifiesUA Sports News
- See full coverage on Google News