Nishikori upset by Dolgopolov in final in Buenos Aires
BUENOS AIRES, Argentina — Top-seeded Kei Nishikori was beaten 7-6 (4), 6-4 by Alexandr Dolgopolov on Sunday in the final of the clay-court Argentina Open. Dolgopolov won his third ATP singles title and his first in five years. It was also the Ukrainian’s first victory over his Japanese opponent after losing their previous five head-to-head