Mmoh sees off Purcell to make Houston quarter-finals

American wildcard Michael Mmoh moved into the quarter-finals of the Houston Open by winning against Australian Max Purcell, the No 8 seed, 6-2, 7-5 at River Oaks Country Club on Thursday evening.

Mmoh, ranked No 123, will play the winner of the match between Argentinian Tomas Martin Etcheverry, the No 4 seed, and Colombian Daniel Elahi Galan next.

In the previous round of the Houston tournament, the American beat Peruvian Juan Pablo Varillas (6-2, 7-6 (4)).

Purcell, ranked No 79, edged out American Alex Michelsen (7-5, 6-7 (4), 6-4) in the first round of the Houston tournament.

Houston ATP 250, other second-round results (River Oaks Country Club, clay, USD 742.350, most recent results first):

• Jordan Thompson vs. Aleksandar Kovacevic
• James Duckworth vs. Frances Tiafoe
• Tomas Martin Etcheverry vs. Daniel Elahi Galan
• Marcos Giron (7) beat J.J. Wolf: 6-4, 6-3
• Ben Shelton (1) beat Zizou Bergs: 3-6, 6-4, 6-3
• Brandon Nakashima beat Rinky Hijikata: 6-1, 6-4
• Luciano Darderi beat Francisco Cerundolo (2): 6-4, 2-6, 7-6 (4)