NEW YORK—Daniil Medvedev reached the U.S. Open semifinals on Tuesday for the third straight year, ending the surprising run of qualifier Botic van de Zandschulp with a 6–3, 6–0, 4–6, 7–5 victory.
The No. 2 seed from Russia dropped a set for the first time in the tournament but recovered to keep alive his bid for a first Grand Slam title.