2021 Tennis Napoli Cup
The 2021 Tennis Napoli Cup was a professional tennis tournament played on clay courts. It was the 20th edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Naples, Italy between 4 and 10 October 2021.
Singles main-draw entrants
Seeds
1 Rankings as of 27 September 2021.Other entrants
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 player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers: