World No. 9 Danielle Collins has postponed her plan to retire from tennis at the end of the 2024 season, and will play on the WTA Tour in 2025. Collins, 30, has taken advice on her “personal fertility journey” since her last match, which was a defeat to Australian qualifier Olivia Gadecki at the Guadalajara Open in Mexico. The American, who planned her retirement around starting a family while managing her endometriosis, which can impact fertility, said in a statement posted on Instagram: “I’ve