2025 Sioux Falls Challenger – Singles

Singles
2025 Sioux Falls Challenger
Champion	Patrick Kypson
Runner-up	Johannus Monday
Score	6–7(2–7), 7–6(7–4), 7–5

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

Patrick Kypson won the title after defeating Johannus Monday 6–7^(2–7), 7–6^(7–4), 7–5 in the final.^[2]

Key

	Semifinals							Final
		Mats Rosenkranz	4	64
		Johannus Monday	6	77
									Johannus Monday	77	64	5
								5	Patrick Kypson	62	77	7
	5	Patrick Kypson	6	6
	Q	Antoine Ghibaudo	3	1

	First round							Second round							Quarterfinals							Semifinals
	1	J Thompson	6	6
		M Mmoh	3	4				1	J Thompson	7	77
		P Zahraj	1	2				Q	E Arutiunian	5	62
	Q	Erik Arutiunian	6	6											1	J Thompson	5	0r
	Q	J Boulais	1	4												M Rosenkranz	7	1
		M Rosenkranz	6	6					M Rosenkranz	6	7
		M Krueger	65	6	2			6	M Cassone	0	5
	6	M Cassone	77	3	6																		M Rosenkranz	4	64
	4	L Draxl	6	6																			J Monday	6	77
	Alt	Dar Blanch	4	4				4	L Draxl	1	5
		A Martin	77	1	6				A Martin	6	7
	LL	Aryan Shah	65	6	3											A Martin	3	3
	WC	C Kingsley	4	4												J Monday	6	6
	Alt	A Perez	6	6				Alt	A Perez	5	3
		J Monday	2	6	6				J Monday	7	6
	7	M Zheng	6	4	4

	First round							Second round							Quarterfinals							Semifinals
	5	P Kypson	6	4	6
	Alt	O Tarvet	2	6	3			5	P Kypson	6	6
		R Jódar	6	7					R Jódar	4	4
		S Purtseladze	4	5											5	P Kypson	6	6
	WC	S Banerjee	6	6											3	R Hijikata	4	4
	Q	A McHugh	3	4				WC	S Banerjee	63	2
		J Pinnington Jones	3	0				3	R Hijikata	77	6
	3	R Hijikata	6	6																		5	P Kypson	6	6
	8	J Clarke	6	2	5																	Q	A Ghibaudo	3	1
	Q	Antoine Ghibaudo	2	6	7			Q	A Ghibaudo	7	6
	Q	A Fenty	4	77	77			Q	A Fenty	5	4
	Q	K Smith	6	64	63										Q	A Ghibaudo	77	6
	LL	D Martin	2	4												M Damm	64	4
		M Damm	6	6					M Damm	77	7
	WC	Andre Ilagan	4					WC	A Ilagan	62	5
	2	B Holt	3r

• Main draw
• Qualifying draw