2018 Brasil Open – Singles

Pablo Cuevas was the three-time defending champion, but lost in the semifinals to Fabio Fognini.

Singles
2018 Brasil Open
Champion	Fabio Fognini
Runner-up	Nicolás Jarry
Final score	1–6, 6–1, 6–4
Draw	28 (4Q / 3WC)
Seeds	8

Main article: 2018 Brasil Open

Fognini went on to win the title, defeating Nicolás Jarry in the final, 1–6, 6–1, 6–4.

Seeds

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

1. Albert Ramos Viñolas (Quarterfinals)
2. Fabio Fognini (Champion)
3. Pablo Cuevas (Semifinals)
4. Gaël Monfils (Second round)
5. Leonardo Mayer (Quarterfinals)
6. Guido Pella (Second round)
7. Tennys Sandgren (First round)
8. Federico Delbonis (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
		Nicolás Jarry	6^5	6	6
		Horacio Zeballos	7^7	4	4
									Nicolás Jarry	6	1	4
								2	Fabio Fognini	1	6	6
	3	Pablo Cuevas	4	2
	2	Fabio Fognini	6	6

Top half

	First Round							Second Round							Quarterfinals							Semifinals
								1	A Ramos Viñolas	6	6
	Q	G Clezar	6	1	7			Q	G Clezar	3	4
	WC	T Monteiro	3	6	5										1	A Ramos Viñolas	7^8	4	6^3
		N Jarry	6	1	7											N Jarry	6^6	6	7^7
		D Lajović	4	6	5				N Jarry	6^2	6	7^7
	WC	C Moutet	6	1	2			6	G Pella	7^7	4	6^2
	6	G Pella	4	6	6																		N Jarry	6^5	6	6
																							H Zeballos	7^7	4	4
								4	G Monfils	3	6	3
		T Bellucci	6^2	6	3				H Zeballos	6	3	6
		H Zeballos	7^7	3	6											H Zeballos	6^3	6	6
		N Kicker	7^7	6												R Dutra Silva	7^7	2	4
		V Estrella Burgos	6^5	3					N Kicker	4	2
		R Dutra Silva	6	6					R Dutra Silva	6	6
	7	T Sandgren	0	4

Bottom half

	First Round							Second Round							Quarterfinals							Semifinals
	5	L Mayer	5	7^12	7^7
		G Elias	7	6^10	6^5			5	L Mayer	7	6
		C Berlocq	3	6	6				C Berlocq	5	4
	WC	T Seyboth Wild	6	3	2										5	L Mayer	2	7^15	6^5
	Q	S Ofner	6	6											3	P Cuevas	6	6^13	7^7
		M Cecchinato	3	3				Q	S Ofner	4	6^4
								3	P Cuevas	6	7^7
																						3	P Cuevas	4	2
	8	F Delbonis	6	6																		2	F Fognini	6	6
		R Carballés Baena	4	4				8	F Delbonis	6^3	6	4
		G Melzer	4	6	3				G García López	7^7	4	6
		G García López	6	3	6											G García López	4	2
	Q	R Olivo	6	6^6	5										2	F Fognini	6	6
	Q	J Domingues	2	7^8	7			Q	J Domingues	5	1
								2	F Fognini	7	6

Qualifying

Seeds

1. Sebastian Ofner (Qualified)
2. Tommy Robredo (First round)
3. Renzo Olivo (Qualified)
4. João Domingues (Qualified)
5. Guilherme Clezar (Qualified)
6. João Souza (First round, retired)
7. Daniel Muñoz de la Nava (First round, retired)
8. Roberto Quiroz (Qualifying competition)

Qualifiers

1. Sebastian Ofner
2. Guilherme Clezar
3. Renzo Olivo
4. João Domingues

Qualifying draw

First qualifier

	First Round							Qualifying Competition
	1	Sebastian Ofner	6	6
	WC	Rafael Matos	3	4
								1	Sebastian Ofner	4	6	6
									Pedro Cachín	6	2	4
		Pedro Cachín	7^7	4
	7	Daniel Muñoz de la Nava	6^3	1^r

Second qualifier

	First Round							Qualifying Competition
	2	Tommy Robredo	6^5	4
		Pedro Sakamoto	7^7	6
									Pedro Sakamoto	2	1
								5	Guilherme Clezar	6	6
	WC	Fernando Yamacita	1	6^4
	5	Guilherme Clezar	6	7^7

Third qualifier

	First Round							Qualifying Competition
	3	Renzo Olivo	6	6
		Ivan Gakhov	4	3
								3	Renzo Olivo	6	7^7
								8	Roberto Quiroz	0	6^5
		Daniel Dutra da Silva	6	2	3
	8	Roberto Quiroz	4	6	6

Fourth qualifier

	First Round							Qualifying Competition
	4	João Domingues	6	6
		José Hernández-Fernández	2	4
								4	João Domingues	6	6
									Ivan Nedelko	2	1
		Ivan Nedelko	7^7	2
	6	João Souza	6^5	1^r

References

• Main draw
• Qualifying draw