The 2021 Split Open II was a professional tennis tournament played on clay courts. It was part of the 2021 ATP Challenger Tour. It took place in Split, Croatia between 12 and 18 April 2021.
Singles main-draw entrants
Seeds
- Rankings are as of 5 April 2021.
Other entrants
The following players received wildcards into the singles main draw:
- Duje Ajduković
- Duje Kekez
- Nino Serdarušić
The following players received entry into the singles main draw using protected rankings:
- Dustin Brown
- Thanasi Kokkinakis
The following players received entry into the singles main draw as special exempts:
- Pedro Cachin
-
Blaž Kavčič
The following players received entry from the qualifying draw:
- Mirza Bašić
- Lukáš Klein
- Zdeněk Kolář
- Kacper Żuk
The following player received entry as a lucky loser:
- Andrea Collarini
Champions
Singles
- Kacper Żuk def. Mathias Bourgue 6–4, 6–2.
Doubles
- Szymon Walków / Jan Zieliński def. Grégoire Barrère / Albano Olivetti 6–2, 7–5.
References




