https://ift.tt/2wwdHAe 2020 U.S. Open: What to Watch on Sunday United States Open (Tennis), Tennis Naomi Osaka and Novak Djokovic lead the singles fields into the round of 16 at the United States Open. Also Sunday, the doubles fields begin their quarterfinal matchups. BY MAX GENDLER https://ift.tt/322UUuj September 6, 2020 at 09:31AM