Singles
2021 Challenger Biel/Bienne
Champion	Liam Broady
Runner-up	Marc-Andrea Hüsler
Score	7–5, 6–3

This was the first edition of the tournament.^[1]

Liam Broady won the title after defeating Marc-Andrea Hüsler 7–5, 6–3 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	7	Marc-Andrea Hüsler	3	712	6
		Tim van Rijthoven	6	610	4
								7	Marc-Andrea Hüsler	5	3
								5	Liam Broady	7	6
	5	Liam Broady	6	2
	WC	Dominic Stricker	0	0r

Top half

	First round							Second round							Quarterfinals							Semifinals
	LL	A Shevchenko	77	6
		G Soeda	61	4				LL	A Shevchenko	4	63
	Q	A Escoffier	6	6				Q	A Escoffier	6	77
	WC	J Kym	4	1											Q	A Escoffier	7	1	2
	WC	L Riedi	2	6	0										7	M-A Hüsler	5	6	6
		E Couacaud	6	4	6				E Couacaud	4	4
		R Bemelmans	3	6	65			7	M-A Hüsler	6	6
	7	M-A Hüsler	6	3	77																	7	M-A Hüsler	3	712	6
	3	D Novak	6	6																			T van Rijthoven	6	610	4
	Alt	M Bachinger	4	2				3	D Novak	77	3	61
		T van Rijthoven	6	6					T van Rijthoven	65	6	77
	Q	H Moriya	1	3												T van Rijthoven	77	6
	Q	J Paul	4	4											6	J Sousa	64	4
	Q	A Ritschard	6	6				Q	A Ritschard	3	2
		B Gojo	5	5				6	J Sousa	6	6
	6	J Sousa	7	7

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	L Broady	7	6
	Alt	A Kuznetsov	5	3				5	L Broady	6	6
		D Masur	6	4	3				H Grenier	4	3
		H Grenier	3	6	6										5	L Broady	77	6
		L Klein	7	4	4											R Ramanathan	62	2
		M Moraing	5	6	6				M Moraing	2	3
		R Ramanathan	6	6					R Ramanathan	6	6
	4	T Macháč	3	2																		5	L Broady	6	2
	8	C İlkel	77	77																		WC	D Stricker	0	0r
		M Viola	63	61				8	C İlkel	4	63
		T Kamke	6	77					T Kamke	6	77
		D Kuzmanov	4	60												T Kamke	4	4
		M Janvier	4	5											WC	D Stricker	6	6
	WC	D Stricker	6	7				WC	D Stricker	6	4	6
		L Lacko	5	2				2	H Laaksonen	1	6	3
	2	H Laaksonen	7	6

References

External links

• Main draw
• Qualifying draw