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SINGAPORE - FEBRUARY 27: Radu Albot of Moldova stretches for a backhand in his Men's Singles Semifinal match against Alexander Bublik of Kazakhstan on day six of the Singapore Tennis Open at the OCBC Arena on February 27, 2021 in Singapore. (Photo by Yong Teck Lim/Getty Images for Sport Singapore)

SINGAPORE - FEBRUARY 27: Radu Albot of Moldova stretches for a backhand in his Men's Singles Semifinal match against Alexander Bublik of Kazakhstan on day six of the Singapore Tennis Open at the OCBC Arena on February 27, 2021 in Singapore. (Photo by Yong Teck Lim/Getty Images for Sport Singapore)