2021 Monterrey Open – Singles

Elina Svitolina was the defending champion, but decided not to participate. Leylah Annie Fernandez won her first WTA singles title, defeating Viktorija Golubic in the final, 6–1, 6–4. Fernandez did not drop a set throughout the entire tournament.

2021 Monterrey Open – Singles

Elina Svitolina was the defending champion, but decided not to participate. Leylah Annie Fernandez won her first WTA singles title, defeating Viktorija Golubic in the final, 6–1, 6–4. Fernandez did not drop a set throughout the entire tournament.