The 2025 Copa Faulcombridge by Marcos Automoción was a professional tennis tournament played on clay courts. It was the fourth edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Valencia, Spain, between 6 and 12 October 2025.
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw through the Next Gen Accelerator programme:
The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers: