WASHINGTON, DC - JULY 27: Kei Nishikori of Japan reacts during a men's singles match against Shang Juncheng of China 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: Kei Nishikori of Japan reacts during a men's singles match against Shang Juncheng of China 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: Kei Nishikori of Japan reacts during a men's singles match against Shang Juncheng of China 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: Kei Nishikori of Japan returns a shot during a men's singles match against Shang Juncheng of China 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)

GLASGOW, SCOTLAND - JULY 27: Paul Trainor of Team Australia and Gebhard Tonateni Ipinge of Team Namibia clinch during the Men's 80kg Round of 16 match on day four of the Glasgow 2026 Commonwealth Games at SEC Centre on July 27, 2026 in Glasgow, Scotland. (Photo by Francois Nel/Getty Images)

GLASGOW, SCOTLAND - JULY 27: Paul Trainor of Team Australia and Gebhard Tonateni Ipinge of Team Namibia acknowledge the fans following the Men's 80kg Round of 16 match on day four of the Glasgow 2026 Commonwealth Games at SEC Centre on July 27, 2026 in Glasgow, Scotland. (Photo by Francois Nel/Getty Images)

GLASGOW, SCOTLAND - JULY 27: Paul Trainor of Team Australia and Gebhard Tonateni Ipinge of Team Namibia exchange punches during the Men's 80kg Round of 16 match on day four of the Glasgow 2026 Commonwealth Games at SEC Centre on July 27, 2026 in Glasgow, Scotland. (Photo by Francois Nel/Getty Images)

GLASGOW, SCOTLAND - JULY 27: Daniel Pitt of Team Wales looks on against Kua Gunua Mua of Team Papua New Guinea during the Men's 80kg Round of 16 match on day four of the Glasgow 2026 Commonwealth Games at SEC Centre on July 27, 2026 in Glasgow, Scotland. (Photo by Francois Nel/Getty Images)