Delray Beach Open: Michelsen makes last eight
Alex Michelsen benefited from the abandonment of Michael Mmoh (6-7 (8), 3-0) on Wednesday and will face Cameron Norrie next

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