Houston Open: McDonald moves into second round

American Mackenzie McDonald reached the second round of the Houston Open by edging out Colombian Daniel Elahi Galan 6-2, 6-7 (3), 6-4 at River Oaks Country Club on Tuesday.

McDonald, ranked No 100, will play No 4 seed Brandon Nakashima next.

Houston ATP 250, other first-round results (River Oaks Country Club, clay, USD 680.140, most recent results first):

• Kei Nishikori vs. Mitchell Krueger
• Rinky Hijikata vs. Christopher Eubanks
• Ethan Quinn vs. Jordan Thompson
• Colton Smith vs. James Duckworth: tuesday
• Adam Walton beat Michael Mmoh (WC): 6-3, 7-6 (5)
• Adrian Mannarino (LL) beat Yannick Hanfmann: 7-6 (5), 6-3
• Aleksandar Kovacevic beat Tomas Martin Etcheverry (7): 6-3, 6-4
• Corentin Denolly (Q) beat Brandon Holt: 7-6 (7), 7-6 (8)
• Alex Michelsen (5) beat Learner Tien: 6-4, 6-2
• Jenson Brooksby (Q) beat Taro Daniel: 6-4, 6-4
• Cristian Garin (WC) beat Alexander Ritschard: 6-3, 6-4