Yibing Wu collapses in Citi Open heat, forced to retire against Watanuki

Japanese Yosuke Watanuki reached the second round of the Citi Open when China’s Yibing Wu retired on Monday afternoon at Rock Creek Park Tennis Center in Washington.

Watanuki, ranked No 99, led 1-4 when Wu, ranked No 90, collapsed on court and was forced to pull out of the match on Monday afternoon at Rock Creek Park Tennis Center in Washington.

Wu required assistance standing after collapsing face-first into his chair at the changeover, seemingly in and out of consciousness. A similar incident occurred for 23-year-old at Wimbledon last month against Frances Tiafoe, with the Chinese player able to recover and continue the match.

Watanuki will face No 3 seed Felix Auger-Aliassime next.

Washington ATP500, other first-round results (Rock Creek Park Tennis Center, hard, USD 2.013.940, most recent results first):

• Gael Monfils vs. Bjorn Fratangelo
• Taro Daniel vs. Thanasi Kokkinakis
• Kevin Anderson vs. Jordan Thompson
• Lloyd Harris vs. Kei Nishikori
• Aleksandar Vukic vs. Brandon Nakashima
• Zachary Svajda vs. Max Purcell
• Shintaro Mochizuki vs. Gregoire Barrere
• Corentin Moutet vs. Liam Broady
• Marcos Giron vs. Radu Albot
• Mackenzie McDonald vs. Diego Schwartzman
• Aslan Karatsev vs. Kiranpal Pannu
• Bradley Klahn vs. Michael Mmoh: monday
• Maxime Cressy vs. Alexander Shevchenko: monday
• Juncheng Shang (Q) beat Emilio Gomez: 6-3, 6-3
• Emil Ruusuvuori beat Constant Lestienne: 6-4, 6-4

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Wu Yibing encounters health scare and falls to Frances Tiafoe on Wimbledon debut

Tennis Majors