Murray setting himself 'best-in-the-world standards'

"My opinion is that you should set yourself the best-in-the-world standards for everything that you do." Andy Murray is not playing at this year's US Open simply to make up the numbers.

source https://www.skysports.com/tennis/news/12040/12058296/andy-murray-setting-himself-best-in-the-world-standards-ahead-of-us-open