2021 Split Open
Date	5–11 April 2021
Edition	2nd
Surface	Clay
Location	Split, Croatia
Champions
Singles
Blaž Rola
Doubles
Andrey Golubev / Aleksandr Nedovyesov
← 2020 · Split Open · 2021 →

The 2021 Split Open 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 5 and 11 April 2021.

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
POR	Pedro Sousa	111	1
AUS	Marc Polmans	137	2
AUT	Sebastian Ofner	152	3
EGY	Mohamed Safwat	159	4
SRB	Danilo Petrović	160	5
SLO	Blaž Rola	166	6
BEL	Kimmer Coppejans	170	7
SVK	Filip Horanský	175	8

• Rankings are as of 22 March 2021.^[1]

Other entrants

The following players received wildcards into the singles main draw:

• Duje Ajduković
• Mili Poljičak
• Nino Serdarušić

The following players received entry into the singles main draw using protected rankings:

• Dustin Brown
• Thanasi Kokkinakis

The following player received entry into the singles main draw as a special exempt:

• Zdeněk Kolář

The following player received entry into the singles main draw as an alternate:

• Kacper Żuk

The following players received entry from the qualifying draw:

• Mirza Bašić
• Uladzimir Ignatik
• Blaž Kavčič
• Akira Santillan

Champions

Singles

• Blaž Rola def. Blaž Kavčič 2–6, 6–3, 6–2.

Doubles

• Andrey Golubev / Aleksandr Nedovyesov def. Szymon Walków / Jan Zieliński 7–5, 6–7^(5–7), [10–5].