WASHINGTON, DC—Venus Williams’ first tournament in 16 months ended on Thursday, the former world No. 1 exiting, 6-2, 6-2 to Magdalena Freçh in the second round of the Mubadala Citi DC Open.

After firing 15 aces past Sofia Kenin in under an hour, Taylor Townsend now takes on Leylah Fernandez, who ousted top-seeded Jessica Pegula in a lengthy three-set thriller.

No. 4 seed Ben Shelton needed just 61 minutes to defeat Canadian No. 15 Gabriel Diallo 6-3, 6-2 in the Round of 16 at the ...