2023 Shanghai Challenger – Singles

Singles
2023 Shanghai Challenger
Champion	Christopher O'Connell
Runner-up	Yosuke Watanuki
Score	6–3, 7–5

Main article: 2023 Shanghai Challenger

Yasutaka Uchiyama was the defending champion but retired from his second round match against Christopher O'Connell.

O'Connell won the title after defeating Yosuke Watanuki 6–3, 7–5 in the final.

Seeds

1. Christopher O'Connell (champion)
2. Yosuke Watanuki (final)
3. Marc Polmans (first round)
4. Shang Juncheng (semifinals)
5. Wu Tung-lin (second round)
6. Bu Yunchaokete (second round)
7. Térence Atmane (second round)
8. Rio Noguchi (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	Christopher O'Connell	6	6
		Li Tu	2	4
								1	Christopher O'Connell	6	7
								2	Yosuke Watanuki	3	5
	4	Shang Juncheng	4	2
	2	Yosuke Watanuki	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	C O'Connell	6	6
		L Saville	4	0				1	C O'Connell	77	4
	WC	Liu Hanyi	1	64					Y Uchiyama	63	1r
		Y Uchiyama	6	77											1	C O'Connell	6	6
	Q	Mu Tao	3	6	5										Q	Y Bai	0	2
	Q	Y Bai	6	4	7			Q	Y Bai	6	6
		Dominik Palán	6	6					D Palán	3	2
	8	R Noguchi	2	4																		1	C O'Connell	6	6
	3	M Polmans	1	3																			L Tu	2	4
		F Peliwo	6	6					F Peliwo	65	2
		P Sekulic	1	0					L Tu	77	6
		L Tu	6	6												L Tu	78	6
		A Bellier	6	7												A Bellier	66	2
	Q	A Kadhe	4	5					A Bellier	77	3	6
		O Jasika	3	61				7	T Atmane	65	6	4
	7	T Atmane	6	77

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	Y Bu	6	6
	WC	R Te	2	4				6	Y Bu	1	4
		H Moriya	1	2					L Giustino	6	6
		L Giustino	6	6												L Giustino	1	4
	Alt	M Sasikumar	3	4											4	J Shang	6	6
		D Sweeny	6	6					D Sweeny	4	3
	LL	R Strombachs	4	64				4	J Shang	6	6
	4	J Shang	6	77																		4	J Shang	4	2
	5	T-l Wu	77	3	6																	2	Y Watanuki	6	6
	WC	F Sun	65	6	2			5	T-l Wu	6	1	2
	Q	NH Lý	5	6	6			Q	NH Lý	3	6	6
	Q	N Chappell	7	4	0										Q	NH Lý	2	0
	Q	Alafia Ayeni	2	6	3										2	Y Watanuki	6	6
	SE	Mikalai Haliak	6	3	6			SE	M Haliak	1	1
		A Bolt	4	0				2	Y Watanuki	6	6
	2	Y Watanuki	6	6

External links

• Main draw
• Qualifying draw