2024 Santaizi ATP Challenger – Singles

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

Singles
2024 Santaizi ATP Challenger
Champion	Adam Walton
Runner-up	Illya Marchenko
Score	3–6, 6–2, 7–6(7–3)

Main article: 2024 Santaizi ATP Challenger

Adam Walton won the title after defeating Illya Marchenko 3–6, 6–2, 7–6^(7–3) in the final.^[2]

Seeds

1. Max Purcell (quarterfinals)
2. James Duckworth (semifinals)
3. Adam Walton (champion)
4. Yasutaka Uchiyama (first round)
5. Li Tu (second round)
6. Hong Seong-chan (quarterfinals)
7. Omar Jasika (first round)
8. Antoine Escoffier (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
		Illya Marchenko	0	77	6
		Hsu Yu-hsiou	6	63	3
									Illya Marchenko	6	2	63
								3	Adam Walton	3	6	77
	3	Adam Walton	3	77	6
	2	James Duckworth	6	64	2

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	M Purcell	63	6	6
	Q	J Trotter	77	3	2			1	M Purcell	6	4	6
	WC	R Ho	3	1				Q	R Bertola	3	6	4
	Q	R Bertola	6	6											1	M Purcell	4	3
		I Marchenko	6	77												I Marchenko	6	6
		H Moriya	3	64					I Marchenko	3	6	6
		E Donskoy	6	710					E Donskoy	6	3	4
	7	O Jasika	4	68																			I Marchenko	0	77	6
	4	Y Uchiyama	65	3																			Y-h Hsu	6	63	3
		Y-h Hsu	77	6					Y-h Hsu	6	6
	Q	Alafia Ayeni	62	3					R Noguchi	1	4
		R Noguchi	77	6												Y-h Hsu	6	4	6
	Q	B Ellis	6	6											6	S-c Hong	4	6	1
	WC	T-h Huang	2	4				Q	B Ellis	2	2
		M Echargui	67	2				6	S-c Hong	6	6
	6	S-c Hong	79	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	A Escoffier	6	4	77
	Alt	J McCabe	1	6	64			8	A Escoffier	6	2	2
		R Berankis	6	6					R Berankis	3	6	6
		B Holt	1	1												R Berankis	3	67
	Q	J-s Nam	6	77											3	A Walton	6	79
	Alt	Y-s Chung	4	60				Q	J-s Nam	0	3
		Y Shimizu	65	0				3	A Walton	6	6
	3	A Walton	77	6																		3	A Walton	3	77	6
	5	L Tu	7	6																		2	J Duckworth	6	64	2
		P Sekulic	5	2				5	L Tu	4	4
		A Fery	6	7					A Fery	6	6
		T-l Wu	1	5												A Fery	5	5
		R Ramanathan	6	6											2	J Duckworth	7	7
	WC	Yin Bang-shuo	4	4					R Ramanathan	4	62
	Q	M Sasikumar	3	4				2	J Duckworth	6	77
	2	J Duckworth	6	6