2018 Los Cabos Open – Singles

Sam Querrey was the defending champion,^[1] but lost in the second round to Egor Gerasimov.

Singles
2018 Los Cabos Open
Champion	Fabio Fognini
Runner-up	Juan Martín del Potro
Score	6–4, 6–2
Draw	28 (4 Q / 3 WC )
Seeds	8

Main article: 2018 Los Cabos Open

Fabio Fognini won the title, defeating Juan Martín del Potro in the final, 6–4, 6–2.

Seeds

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

1. Juan Martín del Potro (final)
2. Fabio Fognini (champion)
3. Damir Džumhur (semifinals)
4. Adrian Mannarino (quarterfinals)
5. Sam Querrey (second round)
6. Ryan Harrison (withdrew)
7. Taylor Fritz (second round)
8. Feliciano López (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
	1	Juan Martín del Potro	6	78
	3	Damir Džumhur	3	66
								1	Juan Martín del Potro	4	2
								2	Fabio Fognini	6	6
		Cameron Norrie	4	2
	2	Fabio Fognini	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	JM del Potro	7	6
	Q	M Giron	6	7				Q	M Giron	5	3
		M Arévalo	2	5											1	JM del Potro	6	6
		B Tomic	4	3											PR	E Gerasimov	1	1
	PR	E Gerasimov	6	6				PR	E Gerasimov	7	5	78
	WC	L Gómez	2	3				5	S Querrey	5	7	66
	5	S Querrey	6	6																		1	JM del Potro	6	78
																						3	D Džumhur	3	66
								3	D Džumhur	77	77
		T Fabbiano	5	6	7				T Fabbiano	60	65
	Q	T Garanganga	7	2	5										3	D Džumhur	6	6
	WC	E Escobedo	3	6	1											M Mmoh	2	3
		M Mmoh	6	4	6				M Mmoh	77	77
		P Polansky	6	3	6				P Polansky	61	62
	LL	DE Galán	4	6	2

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	F López	77	6
	Q	M Safwat	63	4				8	F López	3	3
		C Norrie	6	6					C Norrie	6	6
	Q	P Gunneswaran	2	2												C Norrie	6	6
		I Karlović	4	3											4	A Mannarino	4	4
		E Ymer	6	6					E Ymer	0	2
								4	A Mannarino	6	6
																							C Norrie	4	2
	7	T Fritz	78	77																		2	F Fognini	6	6
	WC	T Kokkinakis	66	65				7	T Fritz	63	1
		G Elias	4	3				PR	Y Nishioka	77	6
	PR	Y Nishioka	6	6											PR	Y Nishioka	2	2
		G Müller	4	4											2	F Fognini	6	6
		Q Halys	6	6					Q Halys	6	4	0
								2	F Fognini	2	6	6

Qualifying

Seeds

1. Daniel Elahi Galán (qualifying competition, lucky loser)
2. Mohamed Safwat (qualified)
3. Prajnesh Gunneswaran (qualified)
4. Evan King (first round)
5. Bradley Mousley (first round)
6. Evan Song (qualifying competition)
7. Aleksandar Vukic (qualifying competition)
8. Austin Krajicek (first round)

Qualifiers

1. Marcos Giron
2. Mohamed Safwat
3. Prajnesh Gunneswaran
4. Takanyi Garanganga

Lucky loser

1. Daniel Elahi Galán

Qualifying draw

First qualifier

	First round							Qualifying competition
								1	Daniel Elahi Galán	2	5
									Marcos Giron	6	7
		Marcos Giron	6	6
	5	Bradley Mousley	4	3

Second qualifier

	First round							Qualifying competition
	2	Mohamed Safwat	6	6
	WC	Alan Magadán	2	0
								2	Mohamed Safwat	2	77	6
								7	Aleksandar Vukic	6	62	4
		Jacob Grills	6	2	3
	7	Aleksandar Vukic	3	6	6

Third qualifier

	First round							Qualifying competition
	3	Prajnesh Gunneswaran	6	6
		Miguel Ángel Reyes-Varela	4	0
								3	Prajnesh Gunneswaran	6	6
								6	Evan Song	3	1
		Tigre Hank	4	2
	6	Evan Song	6	6

Fourth qualifier

	First round							Qualifying competition
	4	Evan King	62	6	65
		Takanyi Garanganga	77	4	77
									Takanyi Garanganga	6	0	79
								WC	Luis Patiño	2	6	67
	WC	Luis Patiño	6	6
	8	Austin Krajicek	4	4