ATP roundup: Sebastian Korda wins all-U.S. match in Dallas

(Photo credit: Mike Frey-Imagn Images)

Sebastian Korda got a small measure of revenge by defeating Michael Zheng 6-4, 6-4 in an all-U.S. first-round clash at the Nexo Dallas Open on Monday.

Korda ended a three-match losing streak that included a five-set, opening-round loss to Zheng at the Australian Open last month.

In the rematch, Korda was nearly perfect on his serve, winning 29 of 30 first-serve p