Serena is 19-12 all-time against Venus, including 11 wins in majors and a 7-2 mark in Grand Slam finals. There was a stretch from 2002-03 where the Williams sisters played each other in the championship round of five straight majors, including twice at Wimbledon.

The tennis icons recently practiced together, Venus told reporters in advance of her return to competition at the DC Open

Venus Williams won her first match after being on hiatus for 16 months, with new doubles partner Hailey Baptiste. On Tuesday, the 45-year-old tennis star will face Peyton Stearns in singles at the D.C.