"US Open: Running list of tennis players opting out in COVID-19 crisis "

https://ftw.usatoday.com/lists/us-open-tennis-players-opt-out-nadal-halep-kyrgios?csp=trueanthem&taid=5f3b76a37d34570001e19065&utm_campaign=trueAnthem%3A+Trending+Content&utm_medium=trueAnthem&utm_source=twitter