Singles
2018 Bangkok Challenger II
Champion	Marcel Granollers
Runner-up	Enrique López Pérez
Score	4–6, 6–2, 6–0

Janko Tipsarević was the defending champion but chose not to defend his title.

Marcel Granollers won the title after defeating Enrique López Pérez 4–6, 6–2, 6–0 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Marcel Granollers	6	6
		Bernabé Zapata Miralles	3	0
								1	Marcel Granollers	4	6	6
								2	Enrique López Pérez	6	2	0
	6	Mats Moraing	77	1	66
	2	Enrique López Pérez	63	6	78

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	M Granollers	6	6
	WC	Pol Wattanakul	2	0				1	M Granollers	6	6
		B Lock	4	2				PR	F Cipolla	3	1
	PR	F Cipolla	6	6											1	M Granollers	6	6
	Q	E Ruusuvuori	6	3	7										7	Y Takahashi	4	1
		Y Mertens	4	6	5			Q	E Ruusuvuori	6	3	3
		S Mukund	2	7	0			7	Y Takahashi	3	6	6
	7	Y Takahashi	6	5	6																	1	M Granollers	6	6
	4	T-h Yang	4	3																			B Zapata Miralles	3	0
	Q	F Nielsen	6	6				Q	F Nielsen	4	2
		E Karlovskiy	6	7					E Karlovskiy	6	6
		D Köpfer	2	5												E Karlovskiy	3	2
		M İlhan	6	6												B Zapata Miralles	6	6
		K Takeuchi	1	2					M İlhan	3	3
		B Zapata Miralles	5	6	7				B Zapata Miralles	6	6
	5	I Nedelko	7	2	5

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	Mats Moraing	6	6
	Q	Yuya Kibi	2	2				6	M Moraing	6	6
	WC	P Isaro	6	6				WC	P Isaro	2	3
	WC	Thanapet Chanta	0	2											6	M Moraing	6	7
		S Diez	68	4											3	P Martínez	0	5
		G Granollers	710	6					G Granollers	6	4	5
		G Olaso	4	4				3	P Martínez	3	6	7
	3	P Martínez	6	6																		6	M Moraing	77	1	66
	8	M Viola	6	6																		2	E López Pérez	63	6	78
		N Serdarušić	3	2				8	M Viola	6	78
		W Trongcharoenchaikul	77	6					W Trongcharoenchaikul	4	66
	Q	Sidharth Rawat	63	3											8	M Viola	5	64
	WC	Congsup Congcar	5	4											2	E López Pérez	7	77
		A Bega	7	6					A Bega	3	4
		T Chen	2	3				2	E López Pérez	6	6
	2	E López Pérez	6	6

References

• Main draw
• Qualifying draw