• Naomi Osaka leads Serena Williams, 6-2, 4-3, in the United States Open women’s singles final.
• Refresh here for live analysis from the women’s final.
• How to watch: On ESPN, beginning at 4 p.m.
Osaka breaks back; Williams breaks racket
After breaking for the first time in the match, Williams put herself in a deficit in her ensuing service game with consecutive double faults. When Osaka broke for 2-3 after a Williams backhand unforced error, Williams smashed her racket in anger.