2018 Monterrey Challenger – Singles

Maximilian Marterer was the defending champion but chose not to defend his title.

Singles
2018 Monterrey Challenger
Champion	David Ferrer
Runner-up	Ivo Karlović
Final score	6–3, 6–4

Main article: 2018 Monterrey Challenger

David Ferrer won the title after defeating Ivo Karlović 6–3, 6–4 in the final.

Seeds

1. Marcel Granollers (Quarterfinals)
2. Michael Mmoh (Withdrew)
3. Paolo Lorenzi (First round)
4. Adrián Menéndez Maceiras (First round)
5. Ivo Karlović (Final)
6. David Ferrer (Champion)
7. Gerald Melzer (Quarterfinals)
8. Pedro Martínez (Second round)

Draw

Key

• Q = Qualifier
• WC = Wild Card
• LL = Lucky Loser
• Alt = Alternate
• SE = Special Exempt
• PR = Protected Ranking
• ITF = ITF entry
• JE = Junior Exempt
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
		Ernesto Escobedo
	6	David Ferrer	w/o
								6	David Ferrer	6	6
								5	Ivo Karlović	3	4
	5	Ivo Karlović	6^6	6	7^7
	PR	Santiago Giraldo	7^8	4	6^3

Top half

	First Round							Second Round							Quarterfinals							Semifinals
	1	M Granollers	6	6
	Q	Harrison Adams	4	4				1	M Granollers	6^5	7^7	7
		R Quiroz	6^8	6	7				R Quiroz	7^7	6^3	5
		M Arévalo	7^10	3	5										1	M Granollers	6^5	6^4
		M Valkusz	0	3												E Escobedo	7^7	7^7
		E Escobedo	6	6					E Escobedo	5	6	6
		P Krstin	6	6^4	3			8	P Martínez	7	4	3
	8	P Martínez	1	7^7	6																		E Escobedo
	3	P Lorenzi	5	3																		6	D Ferrer	w/o
	WC	J Melzer	7	6				WC	J Melzer	6	6^4	3
		S Ofner	6	6					S Ofner	3	7^7	6
		M Vilella Martínez	1	2												S Ofner	3	4
		K King	4	6	4										6	D Ferrer	6	6
		R Cid Subervi	6	2	6				R Cid Subervi	2	7^7	2
		T Kokkinakis	1	3				6	D Ferrer	6	6^4	6
	6	D Ferrer	6	6

Bottom half

	First Round							Second Round							Quarterfinals							Semifinals
	5	I Karlović	7^8	7
		T de Bakker	6^6	5				5	I Karlović	3	6	7^7
		S Kozlov	2	4				WC	L Gómez	6	3	6^4
	WC	L Gómez	6	6											5	I Karlović	6	6
		B Fratangelo	6	6												B Fratangelo	4	3
	WC	G López Villaseñor	3	2					B Fratangelo	6	6
	Q	Z Piros	6	5	7^7			Q	Z Piros	1	2
	4	A Menéndez Maceiras	1	7	6^4																	5	I Karlović	6^6	6	7^7
	7	G Melzer	7	6																		PR	S Giraldo	7^8	4	6^3
		E King	5	3				7	G Melzer	7^7	4	6
		N Serdarušić	6	6					N Serdarušić	6^4	6	3
	WC	V Estrella Burgos	3	1											7	G Melzer	7^7	5	3
	Q	Pavel Krainik	4	4											PR	S Giraldo	6^5	7	6
	PR	S Giraldo	6	6				PR	S Giraldo	4	6	6
	Q	G Escobar	6	6				Q	G Escobar	6	2	4
	LL	S Bangoura	4	3

References

• Main Draw
• Qualifying Draw