2022 Yokkaichi Challenger – Singles

Yūichi Sugita was the defending champion but lost in the second round to Colin Sinclair.

Singles
2022 Yokkaichi Challenger
Champion	Yosuke Watanuki
Runner-up	Frederico Ferreira Silva
Score	6–2, 6–2

Main article: 2022 Yokkaichi Challenger

Yosuke Watanuki won the title after defeating Frederico Ferreira Silva 6–2, 6–2 in the final.

Seeds

1. Kaichi Uchida (semifinals)
2. James Duckworth (semifinals)
3. Yosuke Watanuki (champion)
4. Rio Noguchi (first round)
5. Hsu Yu-hsiou (first round)
6. Nicholas David Ionel (quarterfinals)
7. Lý Hoàng Nam (second round)
8. Dane Sweeny (first round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Finals

	Semifinals							Final
	1	Kaichi Uchida	2	2
		Frederico Ferreira Silva	6	6
									Frederico Ferreira Silva	2	2
								3	Yosuke Watanuki	6	6
	3	Yosuke Watanuki	77	6
	2	James Duckworth	63	3

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	K Uchida	6	1	6
		P Gunneswaran	3	6	3			1	K Uchida	6	6
	WC	S Hazawa	7	6				WC	S Hazawa	3	4
		H Moriya	5	1											1	K Uchida	4	6	7
		S Shimabukuro	6	6												S Shimabukuro	6	2	5
	Q	Shuichi Sekiguchi	4	3					S Shimabukuro	6	6
	LL	J Trotter	3	1				7	NH Lý	2	3
	7	NH Lý	6	6																		1	K Uchida	2	2
	4	R Noguchi	4	6	1																		F Ferreira Silva	6	6
	PR	Y Sugita	6	1	6			PR	Y Sugita	4	3
		R Ramanathan	2	2				Q	C Sinclair	6	6
	Q	C Sinclair	6	6											Q	C Sinclair	2	6	3
		S Mochizuki	6	6												F Ferreira Silva	6	3	6
	Q	Yuki Mochizuki	1	1					S Mochizuki	6	1	3
		F Ferreira Silva	6	2	6				F Ferreira Silva	3	6	6
	5	Y-h Hsu	2	6	2

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	D Sweeny	5	2
		Y-s Chung	7	6					Y-s Chung	6	6
	WC	N Nakagawa	3	64					M Sasikumar	1	4
		M Sasikumar	6	77												Y-s Chung	2	2r
		B Zhukayev	6	6											3	Yo Watanuki	6	5
		Y Shimizu	1	4					B Zhukayev	0	1r
		Z Kolář	2	4				3	Yo Watanuki	6	4
	3	Yo Watanuki	6	6																		3	Yo Watanuki	77	6
	6	ND Ionel	6	77																		2	J Duckworth	63	3
		N Serdarušić	4	61				6	ND Ionel	6	6
	Q	Keisuke Saitoh	4	0				WC	S Imai	4	4
	WC	Shintaro Imai	6	6											6	ND Ionel	6	3	3
		FC Jianu	1												2	J Duckworth	4	6	6
	Q	D-h Lee	0r						FC Jianu	77	2	2
	Q	Makoto Ochi	62	4				2	J Duckworth	64	6	6
	2	J Duckworth	77	6

External links

• Main draw
• Qualifying draw