Cristian Garín was the defending champion, having won the event in 2013, but decided not to compete.

Andrey Rublev won the title, defeating Jaume Antoni Munar Clar in the final, 6–2, 7–5.

	Quarterfinals							Semifinals							Final
		Hong Seong-chan	5	4
	5	Quentin Halys	7	6
								5	Quentin Halys	4	2
								7	Jaume Antoni Munar Clar	6	6
	14	Marcelo Zormann	1	2
	7	Jaume Antoni Munar Clar	6	6
															7	Jaume Antoni Munar Clar	2	5
															4	Andrey Rublev	6	7
	6	Stefan Kozlov	5	6	4
	4	Andrey Rublev	7	3	6
								4	Andrey Rublev	7	6
								2	Orlando Luz	5	3
	9	Johan-Sébastien Tatlot	5	7	4
	2	Orlando Luz	7	5	6

	First round							Second round							Third round							Quarterfinals
	1	Frances Tiafoe	6	7
	WC	Clément Larrière	4	5				1	F Tiafoe	6	2	3
		Jan Choinski	6	6					J Choinski	3	6	6
		Juan José Rosas	1	2												J Choinski	4	1
		Filippo Baldi	64	6	3											S-c Hong	6	6
		Hong Seong-chan	77	2	6				S-c Hong	6	2	6
		Bogdan Bobrov	3	4				13	J Yamasaki	2	6	0
	13	Jumpei Yamasaki	6	6																			S-c Hong	5	4
	12	Kamil Majchrzak	2	77	6																	5	Q Halys	7	6
	Q	Rafael Matos	6	65	2			12	K Majchrzak	2	1
		Harry Bourchier	3	4					L Miedler	6	6
		Lucas Miedler	6	6												L Miedler	6	5	1
	Q	Bastián Malla	5	3											5	Q Halys	1	7	6
	Q	Noah Rubin	7	6				Q	N Rubin	3	3
		Nicolae Frunză	1	63				5	Q Halys	6	6
	5	Quentin Halys	6	77

	First round							Second round							Third round							Quarterfinals
	3	Karen Khachanov	6	6
	Q	Peter Bertran	2	2				3	K Khachanov	6	6
		Oh Chan-yeong	4	4					A Rybakov	4	3
		Alex Rybakov	6	6											3	K Khachanov	77	4	7
	WC	Mandresy Rakotomalala	6	1	6										14	M Zormann	63	6	9
		Matías Zukas	3	6	3			WC	M Rakotomalala	2	2
	LL	Jurabek Karimov	1	2				14	M Zormann	6	6
	14	Marcelo Zormann	6	6																		14	M Zormann	1	2
	11	Michael Mmoh	77	6																		7	JA Munar Clar	6	6
		Zheng Weiqiang	65	1				11	M Mmoh	5	6	6
	WC	Thomas Bréchemier	3	6	2				O Jasika	7	4	3
		Omar Jasika	6	4	6										11	M Mmoh	2	1
		Ken Onishi	6	3	3										7	JA Munar Clar	6	6
		Martin Blaško	4	6	6				M Blaško	3	5
		Petar Čonkić	2	4				7	JA Munar Clar	6	7
	7	Jaume Antoni Munar Clar	6	6

	First round							Second round							Third round							Quarterfinals
	6	Stefan Kozlov	6	6
		Ryotaro Matsumura	4	4				6	S Kozlov	6	6
	WC	Maxime Janvier	6	3	4			Q	A Santillan	3	3
	Q	Akira Santillan	2	6	6										6	S Kozlov	77	6
	Q	Viktor Kostin	63	6	6										10	D-h Lee	64	1
		Hubert Hurkacz	77	3	8				H Hurkacz	4	6	9
	WC	Corentin Moutet	1	3				10	D-h Lee	6	2	11
	10	Lee Duck-hee	6	6																		6	S Kozlov	5	6	4
	15	Nino Serdarušić	4	6	7																	4	A Rublev	7	3	6
		Nicolás Álvarez	6	3	5			15	N Serdarušić	4	2
	WC	Théo Fournerie	6	2	4				P Chrysochos	6	6
		Petros Chrysochos	4	6	6											P Chrysochos	1	2
		Henrik Wiersholm	3	6	6										4	A Rublev	6	6
		João Menezes	6	2	4				H Wiersholm	3	6	3
		Bogdan Ionuț Apostol	7	1	5			4	A Rublev	6	3	6
	4	Andrey Rublev	5	6	7

	First round							Second round							Third round							Quarterfinals
	8	Naoki Nakagawa	6	6
		Boris Pokotilov	2	2				8	N Nakagawa	77	6
	Q	Chung Yun-seong	6	6				Q	Y-s Chung	63	0
		Qi Xi	2	4											8	N Nakagawa	2	2
		Francisco Bahamonde	77	6											9	J-S Tatlot	6	6
	Q	Matteo Berrettini	64	2					F Bahamonde	4	4
		Marc Polmans	2	78	4			9	J-S Tatlot	6	6
	9	Johan-Sébastien Tatlot	6	66	6																	9	J-S Tatlot	5	7	4
	16	Daniil Medvedev	7	79																		2	O Luz	7	5	6
		Pedro Martínez	5	67				16	D Medvedev	6	6
		Jan Zieliński	1	7	6				J Zieliński	3	4
	WC	Alexandre Müller	6	5	4										16	D Medvedev	1	3
		Kang Ku-keon	4	2											2	O Luz	6	6
		Taylor Harry Fritz	6	6					TH Fritz	4	0
		Alex Molčan	1	1				2	O Luz	6	6
	2	Orlando Luz	6	6

• Main draw Archived 2014-05-28 at the Wayback Machine