American Mackie McDonald to face Jannik Sinner of Italy in Citi Open tennis final in Washington

Mackie McDonald beat Kei Nishikori, 6-4, 3-6, 7-5, and Jannik Sinner defeated Jenson Brooksby with a, 7-6 (2), 6-1, to set up Sunday's championship match at the Citi Open in Washington.