Singles
2021 Split Open II
Champion	Kacper Żuk
Runner-up	Mathias Bourgue
Score	6–4, 6–2

Blaž Rola was the defending champion^[1] but chose not to defend his title.

Kacper Żuk won the title after defeating Mathias Bourgue 6–4, 6–2 in the final.

Seeds

Draw

Finals

	Semifinals							Final
		Quentin Halys	68	0r
		Mathias Bourgue	710	0
									Mathias Bourgue	4	2
								Q	Kacper Żuk	6	6
		Elias Ymer	77	0	1
	Q	Kacper Żuk	65	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	G Barrère	3	3
	SE	P Cachin	6	6				SE	P Cachin	2	62
		D Masur	3	2					Q Halys	6	77
		Q Halys	6	6												Q Halys	6	77
	PR	T Kokkinakis	6	5	6										PR	T Kokkinakis	3	62
	WC	D Ajduković	4	7	3			PR	T Kokkinakis	6	6
	PR	D Brown	5	2				7	F Horanský	1	2
	7	F Horanský	7	6																			Q Halys	68	0r
	4	M Safwat	6	2	4																		M Bourgue	710	0
		M Bourgue	3	6	6				M Bourgue	6	6
		A Bolt	1	3					J Domingues	3	4
		J Domingues	6	6												M Bourgue	6	1	7
	Q	M Bašić	6	6											Q	M Bašić	4	6	5
		D Istomin	3	1				Q	M Bašić	6	6
	LL	A Collarini	6	6				LL	A Collarini	4	4
	6	L Giustino	4	4

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	K Coppejans	3	4
	WC	N Serdarušić	6	6				WC	N Serdarušić	62	7	3
		A Müller	5	4					E Ymer	77	5	6
		E Ymer	7	6												E Ymer	6	6
		C İlkel	6	77												C İlkel	3	4
		E Couacaud	2	64					C İlkel	2	6	79
	Q	L Klein	3	6	3			3	H Gaston	6	3	67
	3	H Gaston	6	3	6																		E Ymer	77	0	1
	8	S Diez	3	5																		Q	K Żuk	65	6	6
		M Marterer	6	7					M Marterer	4	64
	Q	K Żuk	6	77				Q	K Żuk	6	77
		L Rosol	4	64											Q	K Żuk	6	6
	WC	Duje Kekez	2	64												A Vukic	4	1
		A Vukic	6	77					A Vukic	77	6
	Q	Z Kolář	6	6				Q	Z Kolář	65	4
	2	M Polmans	2	2

References

External links

• Main draw
• Qualifying draw