2018 Croatia Open Umag – Singles

Singles
2018 Croatia Open Umag
Champion	Marco Cecchinato
Runner-up	Guido Pella
Final score	6–2, 7–6(7–4)

Andrey Rublev was the defending champion, but lost in the quarterfinals to Robin Haase. This was Rublev's first tournament back on tour after missing three months due to a stress fracture in his back.^[1]

Marco Cecchinato won the title, defeating Guido Pella in the final, 6–2, 7–6^(7–4).

Seeds

The top four seeds receive a bye into the second round.

Draw

Finals

	Semifinals							Final
		Guido Pella	6	1	6
	6	Robin Haase	3	6	2
									Guido Pella	2	64
								3	Marco Cecchinato	6	77
	3	Marco Cecchinato	6	6
	Q	Marco Trungelliti	2	1

Top half

	First Round							Second Round							Quarterfinals							Semifinals
								5	A Ramos Viñolas	3	6	0
		D Lajović	7	6					D Lajović	6	1	6
		N Basilashvili	5	2												D Lajović	63	5
		G Pella	1	6	6											G Pella	77	7
		T Daniel	6	3	3				G Pella	5	6	6
		A Bedene	77	4	6				A Bedene	7	4	4
	7	J Sousa	65	6	4																		G Pella	6	1	6
																						6	R Haase	3	6	2
								4	A Rublev	6	64	6
	WC	F Auger-Aliassime	6	6				WC	F Auger-Aliassime	4	77	3
	LL	A Martin	4	3											4	A Rublev	3	66
	Q	M Kližan	6	6											6	R Haase	6	78
		N Jarry	2	0				Q	M Kližan	6	4	3
	Q	R Dutra Silva	6	5	3			6	R Haase	3	6	6
	6	R Haase	4	7	6

Bottom half

	First Round							Second Round							Quarterfinals							Semifinals
	9	M Marterer	3	7	6
	WC	N Serdarušić	6	5	3			9	M Marterer	64	3
		L Đere	6	1	6				L Đere	77	6
		P Cuevas	4	6	3											L Đere	4	1
	Q	S Travaglia	3	6	2										3	M Cecchinato	6	6
		J Veselý	6	3	6				J Veselý	6	5	5
								3	M Cecchinato	2	7	7
																						3	M Cecchinato	6	6
	8	B Paire	1	3																		Q	M Trungelliti	2	1
		M Fucsovics	6	6					M Fucsovics	7	4	2
	Q	M Trungelliti	6	6				Q	M Trungelliti	5	6	6
	WC	F Škugor	3	4											Q	M Trungelliti	6	6
		P Lorenzi	3	4												E Donskoy	1	4
		E Donskoy	6	6					E Donskoy	711	3	6
								2	D Džumhur	69	6	4

Qualifying

Qualifying draw

First qualifier

	First Round							Qualifying Competition
	1	Martin Kližan	2	77	6
		Danilo Petrović	6	62	4
								1	Martin Kližan	6	6
								8	Kenny de Schepper	4	2
		Zsombor Piros	2	65
	8	Kenny de Schepper	6	77

Second qualifier

	First Round							Qualifying Competition
	2	Rogério Dutra Silva	6	6
	WC	Admir Kalender	3	2
								2	Rogério Dutra Silva	6	5	6
								7	Andrej Martin	2	7	2
		Roberto Quiroz	2	60
	7	Andrej Martin	6	77

Third qualifier

	First Round							Qualifying Competition
	3	Alexey Vatutin	6	6
	Alt	Nik Razboršek	2	3
								3	Alexey Vatutin	2r
									Marco Trungelliti	3
		Marco Trungelliti	77	6
	5	Facundo Bagnis	64	3

Fourth qualifier

	First Round							Qualifying Competition
	4	Stefano Travaglia	77	77
		Gian Marco Moroni	63	61
								4	Stefano Travaglia	1	6	6
									Peđa Krstin	6	3	2
		Peđa Krstin	3
	6	Enrique López Pérez	1r

References

• Main draw
• Qualifying draw