Serena Williams, 44, partnered with 19-year-old Canadian Victoria Mboko to defeat Nicole Melichar-Martinez and Erin Routliffe 7-6 (7/2) 6-2 in doubles on Tuesday. Mboko later retired from her singles match against Karolina Pliskova while trailing 6-2 3-4 after a fall on the grass. Separate results included Amanda Anisimova defeating Laura Siegemund 6-1 6-3 and Iva Jovic defeating Alexandra Eala 6-2 6-2.