Third seed Kyle Edmund improved to 6-2 at the Winston-Salem Open on Tuesday with a 6-3, 6-3 win against Argentine Leonardo Mayer. Edmund, who received a wild card into the ATP World Tour 250-level tournament, dominated on serve, winning 93 per cent of his first-serve points and never facing a break point.

He will next meet Spain's Roberto Carballes Baena, who knocked out 13th seed and countryman Albert Ramos-Vinolas 6-1, 6-3. Carballes Baena saved four of five break points.


Eighth seed Steve Johnson saved the only break point he faced and beat #NextGenATP American Tommy Paul 7-6(7), 6-2. “Happy to move on... Tommy is a good competitor. He's got a live arm for a smaller guy, and he's a talented kid,” Johnson said.

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He will next meet Spain's Jaume Munar, who won 61 per cent of his second-serve points to win a #NextGenATP battle against Russian Andrey Rublev 6-3, 6-2 in only 60 minutes. “I think it was a very tough match. Rublev has a great game, hard strokes. So for me it's difficult, but I think I did a very good match,” Munar said.

Sixth seed Hyeon Chung, the reigning 2017 Next Gen ATP Finals titlist, fought past Spain's Guillermo Garcia-Lopez 7-6(4), 6-2. Their second-round match resumed on Tuesday with Chung leading 5/2 in the first-set tie-break after rain suspended the contest Monday night.