Seles won her first US Open, defeating Martina Navratilova.
On September 7, 1991, Monica Seles claimed her first US Open women's singles title by defeating Martina Navratilova in a gripping matchup. The final took place at the USTA National Tennis Center in New York, and Seles emerged victorious with scores of 7-6(1), 6-4.
This triumph was particularly significant as it confirmed her prowess on hard courts against highly experienced competitors. Seles's success at the US Open extended her Grand Slam victories to three different surfaces in a single year, a testament to her versatility and adaptability in the sport. This victory further consolidated her reputation as a player of remarkable talent and ensured her place at the summit of women's tennis.