2022 Nonthaburi Challenger III – Singles

Arthur Cazaux was the defending champion^[1] but retired from his match with Stuart Parker in the final; 6–4, 4–1.

Singles
2022 Nonthaburi Challenger III
Champion	Stuart Parker
Runner-up	Arthur Cazaux
Score	6–4, 4–1 ret.

Main article: 2022 Nonthaburi Challenger III

Seeds

1. Yosuke Watanuki (quarterfinals)
2. Valentin Vacherot (first round)
3. Lý Hoàng Nam (quarterfinals)
4. Billy Harris (quarterfinals)
5. Nicola Kuhn (first round)
6. Alibek Kachmazov (first round)
7. Dane Sweeny (first round)
8. Prajnesh Gunneswaran (second round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
		Sho Shimabukuro	65	4
	Q	Stuart Parker	77	6
								Q	Stuart Parker	6	4
									Arthur Cazaux	4	1r
		Arthur Cazaux	6	3
		Omar Jasika	0	0r

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	Yo Watanuki	7	62	5
		Y-s Chung	5	77	3r			1	Yo Watanuki	6	6
		B Zhukayev	77	77					B Zhukayev	3	3
		E Donskoy	64	64											1	Yo Watanuki	67	0
		S Shimabukuro	6	6												S Shimabukuro	79	6
		C Broom	3	2					S Shimabukuro	2	6	6
	Q	Y Shimizu	6	6				Q	Y Shimizu	6	3	4
	5	N Kuhn	1	2																			S Shimabukuro	65	4
	4	B Harris	6	77																		Q	S Parker	77	6
		B Lock	3	64				4	B Harris	2	6	6
	Q	Gage Brymer	2	6	6			Q	G Brymer	6	1	2
	Alt	J McCabe	6	3	4										4	B Harris	4	4
		Y Bu	4	5											Q	S Parker	6	6
	Q	S Parker	6	7				Q	S Parker	4	6	6
		Y Oliel	6	3	6				Y Oliel	6	3	4
	6	A Kachmazov	4	6	2

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	P Gunneswaran	6	6
	WC	Y Charoenphon	1	2				8	P Gunneswaran	62	1
	WC	P Isaro	5	1					A Cazaux	77	6
		A Cazaux	7	6												A Cazaux	6	3	6
		B Patael	77	4	3										3	NH Lý	3	6	0
		F Gaio	65	6	6				F Gaio	4	6	3
	WC	Pol Wattanakul	5	2				3	NH Lý	6	4	6
	3	NH Lý	7	6																			A Cazaux	6	3
	7	D Sweeny	2	3																			O Jasika	0	0r
		D Istomin	6	6					D Istomin	4	3
	Q	A Rai	2	7	66				O Jasika	6	6
		O Jasika	6	5	78											O Jasika	6	6
	Q	K Samrej	5	6	3										Q	M Ochi	1	1
	Q	Makoto Ochi	7	3	6			Q	M Ochi	6	1
		A Santillan	7	1	6				A Santillan	2	0r
	2	V Vacherot	5	6	4