| 2026 Split Open | |
|---|---|
| Date | 23–29 March 2026 |
| Edition | 7th |
| Category | ATP Challenger Tour |
| Surface | Clay / Outdoor |
| Location | Split, Croatia |
| 2024 Champions | |
| Singles | |
 Jozef Kovalík | |
| Doubles | |
 Jonathan Eysseric /  Bart Stevens | |
The 2026 Split Open was a professional tennis tournament played on outdoor clay courts. It was the seventh edition of the tournament which was part of the 2026 ATP Challenger Tour. It took place in Split, Croatia between 23 and 29 March 2026.
vs. / vs. / | Country | Player | Rank1 | Seed |
|---|---|---|---|
 CRO | Matej Dodig | 214 | 1 |
 GBR | George Loffhagen | 222 | 2 |
 AUT | Lukas Neumayer | 227 | 3 |
 BIH | Nerman Fatić | 234 | 4 |
 POR | Frederico Ferreira Silva | 238 | 5 |
 BEL | Kimmer Coppejans | 244 | 6 |
 GER | Tom Gentzsch | 248 | 7 |
| GBR | Felix Gill | 252 | 8 |
The following players received wildcards into the singles main draw:
Emanuel Ivanišević Mili Poljičak Josip ŠimundžaThe following player received entry into the singles main draw through the Junior Accelerator programme:
The following players received entry into the singles main draw as alternates:
Christian LangmoThe following players received entry from the qualifying draw:
Gerard Campaña Lee
Ergi Kırkın 
Oleksii Krutykh 
Juan Cruz Martin Manzano Adrian Oetzbach Filippo Romano 