2018 Santaizi ATP Challenger – Singles

Lu Yen-hsun was the defending champion but chose not to defend his title.

Singles
2018 Santaizi ATP Challenger
Champion	Yuki Bhambri
Runner-up	Ramkumar Ramanathan
Score	6–3, 6–4

Main article: 2018 Santaizi ATP Challenger

Yuki Bhambri won the title after defeating Ramkumar Ramanathan 6–3, 6–4 in the final.^[1]

Seeds

1. Matthew Ebden (second round)
2. Evgeny Donskoy (quarterfinals)
3. Dudi Sela (quarterfinals)
4. Yuki Bhambri (champion)
5. Quentin Halys (first round)
6. Ramkumar Ramanathan (final)
7. Go Soeda (semifinals)
8. Tatsuma Ito (semifinals)

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
	8	Tatsuma Ito	6	3	4
	4	Yuki Bhambri	3	6	6
								4	Yuki Bhambri	6	6
								6	Ramkumar Ramanathan	3	4
	6	Ramkumar Ramanathan	711	6
	7	Go Soeda	69	4

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	M Ebden	6	6
		T-h Yang	3	4				1	M Ebden	2	64
		J Jung	6	6					J Jung	6	77
	LL	Jacob Grills	0	3												J Jung	6	69	64
		A Bolt	65	6	3										8	T Ito	3	711	77
		S-w Kwon	77	4	6				S-w Kwon	6	64	4
		L Grigelis	77	4	3			8	T Ito	4	77	6
	8	T Ito	65	6	6																	8	T Ito	6	3	4
	4	Y Bhambri	65	6	6																	4	Y Bhambri	3	6	6
		R Ortega Olmedo	77	3	3			4	Y Bhambri	6	6
		K Majchrzak	6	2	65				M Bachinger	4	4
		M Bachinger	4	6	77										4	Y Bhambri	6	6
	WC	C-h Tseng	64	1											Q	C-h Lo	4	2
		Y Takahashi	77	6					Y Takahashi	3	77	3
	Q	Lo Chien-hsun	6	1	6			Q	C-h Lo	6	65	6
	5	Q Halys	3	6	3

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	R Ramanathan	77	60	6
	Q	T Fancutt	65	77	2			6	R Ramanathan	77	63	77
		L Harris	6	77					L Harris	63	77	65
	LL	S Mukund	4	63											6	R Ramanathan	6	6
	WC	T-l Wu	6	77											3	D Sela	4	2
		A Whittington	3	61				WC	T-l Wu	3	6	3
	Q	Shuichi Sekiguchi	4	2				3	D Sela	6	1	6
	3	D Sela	6	6																		6	R Ramanathan	711	6
	7	G Soeda	77	6																		7	G Soeda	69	4
		D Kelly	64	4				7	G Soeda	6	6
	WC	T Chen	710	6				WC	T Chen	3	1
	Q	R Roelofse	68	3											7	G Soeda	77	6
	PR	S Myneni	4	77	6										2	E Donskoy	64	4
		P Gunneswaran	6	62	4			PR	S Myneni	2	4
	WC	Y-h Hsu	1	1				2	E Donskoy	6	6
	2	E Donskoy	6	6