Singles
2017 Thindown Challenger Biella
Champion	Filip Krajinović
Runner-up	Salvatore Caruso
Score	6–3, 6–2

Federico Gaio was the defending champion but lost in the second round to João Souza.

Filip Krajinović won the title after defeating Salvatore Caruso 6–3, 6–2 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	5	Filip Krajinović	6	79
	6	João Souza	4	67
								5	Filip Krajinović	6	6
									Salvatore Caruso	3	2
	Q	Andrea Arnaboldi	6	5	5
		Salvatore Caruso	3	7	7

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	M Cecchinato	7	6
	Q	R Marcora	5	4				1	M Cecchinato	7	6
	WC	Pietro Rondoni	6	2	6			WC	P Rondoni	5	3
	Q	I Gakhov	4	6	3										1	M Cecchinato	4	2
		R Ramírez Hidalgo	2	2											5	F Krajinović	6	6
	WC	M Donati	6	6				WC	M Donati	2	61
		D Gimeno Traver	1	4				5	F Krajinović	6	77
	5	F Krajinović	6	6																		5	F Krajinović	6	79
	LL	T Brkić	6	1	6																	6	J Souza	4	67
		M Janvier	4	6	3			LL	T Brkić	65	2
	Alt	V Galović	63	1				LL	M Ymer	77	6
	LL	M Ymer	77	6											LL	M Ymer	0	2
		F Gaio	4	6	6										6	J Souza	6	6
		C Hemery	6	2	4				F Gaio	6	69	4
		A Balázs	4	4				6	J Souza	2	711	6
	6	J Souza	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	S Travaglia	77	2	7
	WC	A Pellegrino	65	6	5			7	S Travaglia	7	6
		C Lestienne	7	4	6				C Lestienne	5	4
		L Giustino	5	6	4										7	S Travaglia	6	65	63
	SE	M Viola	4	3											Q	A Arnaboldi	4	77	77
	Q	G Mager	6	6				Q	G Mager	4	4
	Q	A Arnaboldi	63	77	4			Q	A Arnaboldi	6	6
	4	G Andreozzi	77	63	3r																	Q	A Arnaboldi	6	5	5
	8	R Carballés Baena	6	4	6																		S Caruso	3	7	7
		S Napolitano	2	6	4			8	R Carballés Baena	5	2
		F Coria	6	6					F Coria	7	6
		S Robert	3	4												F Coria	3	77	3
		S Caruso	7	6												S Caruso	6	63	6
		Y Reuter	5	3					S Caruso	1	6	6
	WC	L Sonego	3	6	4			2	G García López	6	4	2
	2	G García López	6	2	6

References

• Main Draw
• Qualifying Draw