ATP Delray Beach Open results

Following are the results on Friday from the fifth day of the ATP Delray Beach Open (prefix denotes seeding):

Quarterfinals:

5-Adrian Mannarino, France, bt Lu Yen-Hsun, Chinese Taipei, 3-6, 6-1, 6-1

Donald Young, United States, bt 3-Alexandr Dolgopolov, Ukraine, 2-6, 6-3, 6-4

Bernard Tomic, Australia, bt Yoshihito Nishioka, Japan, 6-3, 6-1

Endi