British number two Cameron Norrie beat American Stefan Kozlov in straight sets to reach the second round of the Mexican Open.
Norrie won 6-3 6-3 against the 23-year-old qualifier to set up a meeting with Italian Fabio Fognini.
Their only previous meeting ended in defeat for the 25-year-old Briton in Los Cabos, also in Mexico, in 2018.
Fellow Briton Jamie Murray reached the men's doubles quarter-final with Brazilian partner Bruno Soares.
The pair are still on course for their third Acapulco title after beating India's Rohan Bopanna and Pakistan's Aisam-Ul-Haq Qureshi 6-7 (4-7) 6-2 10-1.
They will face British brothers Ken Skupski and Neal Skupski in the next round.
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