| 2026 Napoli Tennis Cup | |
|---|---|
| Date | 23–29 March |
| Edition | 24th |
| Surface | Clay / outdoor |
| Location | Naples, Italy |
| Venue | Tennis Club Napoli |
| 2025 Champions | |
| Singles | |
 Vít Kopřiva | |
| Doubles | |
 Alexander Erler /  Constantin Frantzen | |
The 2026 Napoli Tennis Cup was a professional men's tennis tournament played on outdoor clay courts. It was the 24th edition of the tournament, and part of the 2026 ATP Challenger Tour. It took place at the Tennis Club Napoli in Naples, Italy from 23 to 29 March 2026.
vs. / vs. / | Country | Player | Rank1 | Seed |
|---|---|---|---|
| GER | Daniel Altmaier | 55 | 1 |
| CZE | Vít Kopřiva | 60 | 2 |
 FRA | Alexandre Müller | 90 | 3 |
 SUI | Stan Wawrinka | 94 | 4 |
 SRB | Hamad Medjedovic | 115 | 5 |
 ITA | Andrea Pellegrino | 128 | 6 |
| FRA | Kyrian Jacquet | 146 | 7 |
| FRA | Ugo Blanchet | 154 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw as an alternate:
Gabriele PirainoThe following players received entry from the qualifying draw:
Hynek Bartoň Federico Bondioli Enrico Dalla Valle Francesco Forti Jakub Paul Michele RibecaiThe following players received entry as lucky losers:
Andrea Guerrieri
David Jordà Sanchis