How to watch: ESPN, noon Eastern; streaming on ESPN+ and ESPN3, 11 a.m.
How to get there: Take the 7 subway line or the Long Island Rail Road to Mets-Willets Point.
Tuesday’s schedule: Men | Women
At noon, Naomi Osaka, the world No. 1, will step out onto Arthur Ashe Stadium to start her title defense with a different coach, a suspect left knee and a hope to reclaim the excitement she brought into last year’s run.
Osaka followed up her title at the U.