Britain's Cameron Norrie loses in straight sets to American teen Learner Tien in the first round of the Mexican Open.
Fourth-seeded Stefanos Tsitsipas won points on 81 percent of his first serves in his 7-6 (4), 6-3 defeat of Italian Lorenzo ...
ACAPULCO DE JUÁREZ - Third-seeded American Tommy Paul made quick work of Canadian qualifier Gabriel Diallo in the opening ...