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.
Champions
Singles
Mili Poljičak def. Tom Gentzsch 6–4, 6–4.
Doubles
Miloš Karol / Mili Poljičak def. Mirza Bašić / Andrej Nedić 6–2, 6–2.
Singles main-draw entrants Seeds Country Player Rank1 SeedMatej Dodig2141George Loffhagen2222Lukas Neumayer2273Nerman Fatić2344Frederico Ferreira Silva2385Kimmer Coppejans2446Tom Gentzsch2487Felix Gill2528 Rankings are as of 16 March 2026.
Other entrants The following players received wildcards into the singles main draw: Emanuel Ivanišević Mili Poljičak Josip Šimundža
The following player received entry into the singles main draw through the Junior Accelerator programme: Alexander Vasilev
The following players received entry into the singles main draw as alternates: Kilian Feldbausch Christian Langmo
The following players received entry from the qualifying draw: Gerard Campaña Lee Ergi Kırkın Oleksii Krutykh Juan Cruz Martin Manzano Adrian Oetzbach Filippo Romano
References