Venus and Serena Williams, one of the great sibling rivalries in history, will face off in the third round of the 2018 U.S. Open.
Friday's match marks the 30th time the sisters will play each other in their professional careers.
Serena, the No. 17 seed, defeated Carina Witthöft 6-2, 6-2 in the second round on Wednesday night to advance. Earlier in the day, Venus, the No. 16 seed, beat Camila Giorgi 6-4, 7-5.
Friday night's match will be the 16th time the Williams sisters have met at a Grand Slam, as well as one of the earliest rounds they've ever played in.