The 2020 Monterrey Challenger was a professional tennis tournament played on hard courts. It was the eleventh edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Monterrey, Mexico from 2 to 8 March 2020.
The following players received wildcards into the singles main draw:
Milledge Cossu
Alex Hernández
Adrian Mannarino
Shintaro Mochizuki Luis PatiñoThe following players received entry from the qualifying draw:
Adrian Mannarino def. .svg/1280px-Flag_of_Australia_(converted).svg.png){kind=small}
Aleksandar Vukic 6–1, 6–3.
Karol Drzewiecki / 
Gonçalo Oliveira def. 
Orlando Luz / Rafael Matos 6–7(5–7), 6–4, [11–9].
