Delray Beach Open: Michelsen makes last eight

No 3 seed Alex Michelsen reached the quarter-finals of the Delray Beach Open when qualifier Michael Mmoh retired on Wednesday at the Delray Beach Stadium and Tennis Center.

Michelsen, ranked No 37, led 6-7 (8), 3-0 when Mmoh, ranked No 328, pulled out.

Alex Michelsen will face Cameron Norrie next.

In the previous round of the Delray Beach tournament, Michael Mmoh defeated Kazakh Alexander Shevchenko (7-5, 7-6 (5)).

Delray Beach ATP 250, other second-round results (Delray Beach Stadium and Tennis Center, hard, USD 680.140, most recent results first):

• Taylor Fritz vs. Yunchaokete Bu
• Matteo Arnaldi vs. Learner Tien
• Mackenzie McDonald vs. Alejandro Davidovich Fokina
• Reilly Opelka vs. Brandon Nakashima
• Marcos Giron (5) beat Ethan Quinn (LL): 6-3, 6-4
• Cameron Norrie beat Arthur Rinderknech (9): 7-6 (9), 6-2
• Miomir Kecmanovic vs. Yoshihito Nishioka

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