Finland’s Emil Ruusuvuori never lost his serve en route to a 6–4, 7–6 (3) win over second-seeded Hubert Hurkacz of Poland on Wednesday in the second round of the Citi Open in Washington.
Ruusuvuori went 4-for-4 on break points on his own serve, and he converted his only break point on Hurkacz’s serve for a 3–2 lead in the first set.
Sixth-seeded Denis Shapovalov of Canada also stumbled in the second round, falling 6–2, 6–7 (5), 6–3 to the United States’ J.J. Wolf. Japan’s Yoshihito Nishioka topped 11th-seeded Alex de Minaur of Australia 3–6, 7–6 (6), 6–2, and the United States’ Sebastian Korda routed 12th-seeded Sebastian Baez of Argentina 6–1, 6–4….