The 2026 Chaca Challenger Metepec Open was a professional tennis tournament played on hard courts. It was the first edition of the tournament, which was part of the 2026 ATP Challenger Tour. It took place in Metepec, Mexico between 16 and 22 February 2026.
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw using a protected ranking:
The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw: