American Frances Tiafoe, the No 6 seed, advanced to the second round of the Mexican Open by beating Japanese Yoshihito Nishioka 7-6 (6), 6-4 at the Princess Mundo Imperial in Acapulco on Monday night.
Tiafoe, ranked No 15, will face Spanish wildcard Feliciano López next.
Acapulco ATP500, other first-round matchups and results:
- Alex De Minaur vs. Rodrigo Pacheco Mendez
- Jacopo Berrettini vs. Oscar Otte
- Daniel Altmaier vs. Brandon Nakashima
- Carlos Alcaraz vs. Mackenzie McDonald
- Nuno Borges vs. Nick Chappell
- Matteo Berrettini vs. Alex Molcan
- Cameron Norrie vs. Adrian Mannarino
- Guido Andreozzi vs. Casper Ruud
- Emilio Gomez vs. Tommy Paul
- Taro Daniel vs. J.J. Wolf: tuesday
- Ben Shelton vs. Holger Rune: tuesday
- Feliciano López beat Christopher Eubanks: 7-6(3), 6-4
- Denis Shapovalov beat Miomir Kecmanovic: 6-7(4), 6-0, 7-5
- Taylor Fritz (3) beat John Isner: 3-6, 6-3, 6-4
- Michael Mmoh beat Marcos Giron: 7-6(3), 6-1
