Day 1 of U.S. Open Tennis: Gauff and Djokovic Progress, Rune Stuns
1 of 5 | Coco Gauff celebrates after winning a point in the third set against Laura Siegemund of Germany in their first-round match at the 2023 U.S. Open on Monday at the USTA Billie Jean King National Tennis Center in Flushing, N.Y. Photo by John Angelillo/UPI | License Photo Aug. 29 (UPI) — Notable …