The 23-year-old Wu, who was once prominent 4-1 in opposition to Yosuke Watanuki of Japan of their first-round fit, was once heading against his nook then the tip of the sport when he collapsed at the chair. Officers in a rush in to support, however Wu was once no longer in climate to get again on his ft and proceed, and thus retired.
The situations in Washington were extraordinarily scorching, with the temperature reportedly being 91 levels Fahrenheit on the pace when Wu fainted.
The arena Negative. 90 Wu had a indistinguishable scare previous in July on the All England membership in his first-round Wimbledon fit in opposition to Frances Tiafoe. Then again, on that generation, he was once ready to get better then collapsing on courtroom because of respiring problems. He gained clinical consideration and returned to proceed the fit however misplaced 6-7, 3-6, 4-6.
