Winston-Salem - Eighth-seeded Steve Johnson advanced to the Winston-Salem Open final on Friday night, beating second-seeded Pablo Carreno Busta of Spain 6-3, 6-4.
The 28-year-old Johnson will face Daniil Medvedev of Russia, a 6-1, 6-1 winner over Japan's Taro Daniel in the first semi-final in the US Open tune-up event at Wake Forest Tennis Centre.
Johnson successfully defended his Houston clay title in April and won at Newport on grass in July. The American also won on grass in 2016 at Nottingham.
The 22-year-old Medvedev won in Sydney in January for his first ATP Tour title.
In the doubles final, second-seeded Jean-Julien Rojer of the Netherlands and Horia Tecau of Hungary successfully defended their title, beating Jamie Cerretani of the United States and Leander Paes of India, 6-4, 6-2. Rojer and Tecau are the defending US Open doubles champions.
Daniil Medvedev (RUS) bt Taro Daniel (JPN) 6-1, 6-1
Steve Johnson (USA x8) bt Pablo Carreno Busta (ESP x2) 6-3, 6-4