| 2026 CIT Open | |
|---|---|
| Date | 15 – 20 June |
| Edition | 1st |
| Surface | Clay |
| Location | Asunción, Paraguay |
| Champions | |
| Singles | |
 Nick Hardt | |
| Doubles | |
 Joaquín Aguilar Cardozo /  Santiago de la Fuente | |
The 2026 CIT Open was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2026 ATP Challenger Tour. It took place in Asunción, Paraguay from 15 to 20 June 2026.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| ARG |
Guido Iván Justo | 254 | 1 |
| ARG |
Juan Bautista Torres | 282 | 2 |
| ARG |
Juan Manuel La Serna | 290 | 3 |
 BRA |
Thiago Seyboth Wild | 299 | 4 |
 CHI |
Matías Soto | 316 | 5 |
| ARG |
Nicolás Kicker | 361 | 6 |
| ARG |
Santiago Rodríguez Taverna | 383 | 7 |
| ARG |
Juan Estévez | 385 | 8 |
The following players received wildcards into the singles main draw:
Federico Coria
Hernando José Escurra Isnardi Santino NúñezThe following player received entry into the singles main draw as a special exempt:
Johan Alexander RodríguezThe following players received entry into the singles main draw as alternates:
Santiago de la Fuente Samuel Alejandro Linde PalaciosThe following players received entry from the qualifying draw:
Gustavo Ribeiro de Almeida Samuel Heredia
Conner Huertas del Pino Ignacio Monzón
Ignacio Parisca Máximo Zeitune Nick Hardt def. Juan Estévez 7–6(7–0), 4–6, 6–2. Joaquín Aguilar Cardozo / Santiago de la Fuente def. Arklon Huertas del Pino / Conner Huertas del Pino 7–6(7–4), 6–3.