Singles
2018 Shanghai Challenger
Champion	Blaž Kavčič
Runner-up	Hiroki Moriya
Score	6–1, 7–6(7–1)

Wu Yibing was the defending champion but lost in the second round to Li Zhe.

Blaž Kavčič won the title after defeating Hiroki Moriya 6–1, 7–6^(7–1) in the final.

Seeds

Draw

Finals

	Semifinals							Final
	7	Miomir Kecmanović	6	64	0r
		Blaž Kavčič	4	77	1
									Blaž Kavčič	6	77
								8	Hiroki Moriya	1	61
	8	Hiroki Moriya	63	77	77
		Li Zhe	77	65	64

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	J Jung	4	7	6
	WC	R Hua	6	5	3			1	J Jung	3	0
	Q	Y Bai	6	2	3				D Wu	6	6
		D Wu	2	6	6											D Wu	6	3	1
		R Safiullin	77	64	3										7	M Kecmanović	3	6	6
	Q	T Lamasine	63	77	6			Q	T Lamasine	4	3
	Q	D Kelly	6	68	2			7	M Kecmanović	6	6
	7	M Kecmanović	4	710	6																	7	M Kecmanović	6	64	0r
	3	T Ito	2	0r																			B Kavčič	4	77	1
		S-w Kwon	6	0					S-w Kwon	5	3
		A Bega	4	6	6				A Bega	7	6
		F Gaio	6	4	3											A Bega	1	6	2
		J Rodionov	6	5	7											B Kavčič	6	4	6
		B Schnur	4	7	5				J Rodionov	77	3	4
		B Kavčič	6	5	6				B Kavčič	64	6	6
	6	F Peliwo	1	7	0

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	H Moriya	4	6	6
		T-h Yang	6	3	2			8	H Moriya	4	6	6
		A Santillan	66	3					U Ignatik	6	3	1
		U Ignatik	78	6											8	H Moriya	6	6
		M Purcell	6	6												A Bublik	4	4
		M Neuchrist	4	4					M Purcell	65	3
		A Bublik	6	5	6				A Bublik	77	6
	4	Ze Zhang	3	7	4																	8	H Moriya	63	77	77
	5	G Soeda	4	2																			Z Li	77	65	64
	WC	Y Wu	6	6				WC	Y Wu	6	0	3
		Z Li	6	3	7				Z Li	3	6	6
	WC	Zh Zhang	3	6	5											Z Li	6	6
	Q	A Šetkić	6	6											Q	A Šetkić	4	0
		Y-s Chung	3	4				Q	A Šetkić	6	77
	WC	R Te	6	6				WC	R Te	3	65
	LL	V Durasovic	3	3

References

• Main Draw
• Qualifying Draw