MEMPHIS, TENNESSEE - JULY 27: Elvina Kalieva of the United States reacts during the match against Katerine Sebov of Canada during the WTA 250 Memphis Classic round of 32 match at Leftwich Tennis Center on July 27, 2026 in Memphis, Tennessee. (Photo by Justin Ford/Getty Images)

MEMPHIS, TENNESSEE - JULY 27: Elvina Kalieva of the United States plays against Katerine Sebov of Canada during the WTA 250 Memphis Classic round of 32 match at Leftwich Tennis Center on July 27, 2026 in Memphis, Tennessee. (Photo by Justin Ford/Getty Images)

MEMPHIS, TENNESSEE - JULY 27: Katerine Sebov of Canada plays against Elvina Kalieva of the United States during the WTA 250 Memphis Classic round of 32 match at Leftwich Tennis Center on July 27, 2026 in Memphis, Tennessee. (Photo by Justin Ford/Getty Images)

MEMPHIS, TENNESSEE - JULY 27: Katerine Sebov of Canada reacts against Elvina Kalieva of the United States during the WTA 250 Memphis Classic round of 32 match at Leftwich Tennis Center on July 27, 2026 in Memphis, Tennessee. (Photo by Justin Ford/Getty Images)

MEMPHIS, TENNESSEE - JULY 27: Elvina Kalieva of the United States plays against Katerine Sebov of Canada during the WTA 250 Memphis Classic round of 32 match at Leftwich Tennis Center on July 27, 2026 in Memphis, Tennessee. (Photo by Justin Ford/Getty Images)

MEMPHIS, TENNESSEE - JULY 27: Katerine Sebov of Canada plays against Elvina Kalieva of the United States during the WTA 250 Memphis Classic round of 32 match at Leftwich Tennis Center on July 27, 2026 in Memphis, Tennessee. (Photo by Justin Ford/Getty Images)

WASHINGTON, DC - JULY 27: Frances Tiafoe of the United States celebrates during a men's singles match against Terence Atmane of France on day one of the Mubadala Citi DC Open 2026 at William H.G. FitzGerald Tennis Center on July 27, 2026 in Washington, DC. (Photo by Emilee Chinn/Getty Images)

WASHINGTON, DC - JULY 27: Liudmila Samsonova serves during a women's singles match against Madison Keys of the United States on day one of the Mubadala Citi DC Open 2026 at William H.G. FitzGerald Tennis Center on July 27, 2026 in Washington, DC. (Photo by Emilee Chinn/Getty Images)