| 2026 Rosario Challenger | |
|---|---|
| Date | 2 – 8 February |
| Edition | 2nd |
| Surface | Clay |
| Location | Rosario, Argentina |
| 2025 Champions | |
| Singles | |
| | |
| Doubles | |
| | |
The 2026 Rosario Challenger was a professional tennis tournament played on clay courts. It was the second edition of the tournament, which was part of the 2026 ATP Challenger Tour. It took place in Rosario, Argentina, between 2 and 8 February 2026.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| Francisco Comesaña | 68 | 1 | |
| Mariano Navone | 74 | 2 | |
| Juan Manuel Cerúndolo | 87 | 3 | |
| Carlos Taberner | 99 | 4 | |
| Román Andrés Burruchaga | 104 | 5 | |
| Tseng Chun-hsin | 122 | 6 | |
| Hugo Dellien | 137 | 7 | |
| Andrea Pellegrino | 138 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw: