WASHINGTON, DC - JULY 31: Alex de Minaur of Australia serves during a men's singles match against Brandon Nakashima of the United States on day five of the Mubadala DC Open 2026 at William H.G. FitzGerald Tennis Center on July 31, 2026 in Washington, DC. (Photo by Emilee Chinn/Getty Images)

WASHINGTON, DC - JULY 31: Brandon Nakashima of the United States returns a shduring a men's singles match against Alex de Minaur of Australia on day five of the Mubadala DC Open 2026 at William H.G. FitzGerald Tennis Center on July 31, 2026 in Washington, DC. (Photo by Emilee Chinn/Getty Images)

WASHINGTON, DC - JULY 31: Alex de Minaur of Australia returns a shot during a men's singles match against Brandon Nakashima of the United States on day five of the Mubadala DC Open 2026 at William H.G. FitzGerald Tennis Center on July 31, 2026 in Washington, DC. (Photo by Emilee Chinn/Getty Images)

WASHINGTON, DC - JULY 31: Alex de Minaur of Australia serves during a men's singles match against Brandon Nakashima of the United States on day five of the Mubadala DC Open 2026 at William H.G. FitzGerald Tennis Center on July 31, 2026 in Washington, DC. (Photo by Emilee Chinn/Getty Images)

WASHINGTON, DC - JULY 31: Brandon Nakashima of the United States serves during a men's singles match against Alex de Minaur of Australia on day five of the Mubadala DC Open 2026 at William H.G. FitzGerald Tennis Center on July 31, 2026 in Washington, DC. (Photo by Emilee Chinn/Getty Images)

WASHINGTON, DC - JULY 31: Alex de Minaur of Australia serves during a men's singles match against Brandon Nakashima of the United States on day five of the Mubadala DC Open 2026 at William H.G. FitzGerald Tennis Center on July 31, 2026 in Washington, DC. (Photo by Emilee Chinn/Getty Images)

WASHINGTON, DC - JULY 31: Brandon Nakashima of the United States returns a shot during a men's singles match against Alex de Minaur of Australia on day five of the Mubadala DC Open 2026 at William H.G. FitzGerald Tennis Center on July 31, 2026 in Washington, DC. (Photo by Emilee Chinn/Getty Images)

WASHINGTON, DC - JULY 31: Brandon Nakashima of the United States returns a shot during a men's singles match against Alex de Minaur of Australia on day five of the Mubadala DC Open 2026 at William H.G. FitzGerald Tennis Center on July 31, 2026 in Washington, DC. (Photo by Emilee Chinn/Getty Images)