Singles
2019 Amex-Istanbul Challenger
Final
Champion	Ugo Humbert
Runner-up	Denis Istomin
Score	6–2, 6–2
Events
Singles Doubles
← 2018 · Amex-Istanbul Challenger · 2020 →

Corentin Moutet was the defending champion^[1] but chose not to defend his title.

Ugo Humbert won the title after defeating Denis Istomin 6–2, 6–2 in the final.

All seeds receive a bye into the second round.

	Quarterfinals							Semifinals							Final
	1	Ugo Humbert	63	7	6
	10	Ruben Bemelmans	77	5	2
								1	Ugo Humbert	6	6
								16	Blaž Kavčič	2	1
	16	Blaž Kavčič	6	6
	12	Nicola Kuhn	3	0
															1	Ugo Humbert	6	6
															5	Denis Istomin	2	2
		Botic van de Zandschulp	6	6
		David Poljak	3	2
									Botic van de Zandschulp	3	6	3
								5	Denis Istomin	6	3	6
	5	Denis Istomin	6	6
	13	Aleksandr Nedovyesov	3	4

	First round							Second round							Third round							Quarterfinals
								1	U Humbert	6	6
	Alt	M Gengel	6	6				Alt	M Gengel	1	2
		S Danilov	2	0											1	U Humbert	6	6
		H Grenier	6	5	6											H Grenier	2	4
		J Rodionov	3	7	2				H Grenier	6	6
								Alt	S Arends	2	3
																						1	U Humbert	63	7	6
																						10	R Bemelmans	77	5	2
								10	R Bemelmans	6	7
		A Jecan	6	6					A Jecan	2	5
		Shalva Dzhanashiya	2	0											10	R Bemelmans	6	6
		D Yevseyev	64	2											6	L Rosol	4	3
		G Blancaneaux	77	6					G Blancaneaux	2	6	4
								6	L Rosol	6	3	6

	First round							Second round							Third round							Quarterfinals
								3	M Copil	6	0	6
		A Lazov	5	6	1				R Roumane	3	6	2
		R Roumane	7	2	6										3	M Copil	3	5
	Alt	Burak Can Yılmaz	2	1											16	B Kavčič	6	7
		FC Jianu	6	6					FC Jianu	710	3	1r
								16	B Kavčič	68	6	2
																						16	B Kavčič	6	6
																						12	N Kuhn	3	0
								12	N Kuhn	6	6
	WC	Kirill Saplin	0	1				Alt	VV Cornea	2	4
	Alt	VV Cornea	6	6											12	N Kuhn	6	7
	WC	M İlhan	6	6											8	R Ramanathan	3	5
	WC	MN Türker	4	3				WC	M İlhan	2	2
								8	R Ramanathan	6	6

	First round							Second round							Third round							Quarterfinals
								7	M Janvier	6	4	2
		A Dubrivnyy	3	2					B van de Zandschulp	1	6	6
		B van de Zandschulp	6	6												B van de Zandschulp	1	6	6
		L Miedler	6	6												L Miedler	6	1	3
		A Müller	4	4					L Miedler	6	7
								11	J Clarke	3	5
																							B van de Zandschulp	6	6
																							D Poljak	3	2
								14	R Safiullin	4	6	2
		A Golubev	4	5					D Poljak	6	3	6
		David Poljak	6	7												D Poljak	64	6	6
	WC	HVN Rune	1	3											17	M Viola	77	4	4
		T Lamasine	6	6					T Lamasine	4	1
								17	M Viola	6	6

	First round							Second round							Third round							Quarterfinals
								5	D Istomin	69	6	2
		M Neuchrist	2r						M Zverev	711	2	1r
		M Zverev	5												5	D Istomin	3	6	711
		E Karlovskiy	3	65											9	R Marcora	6	3	69
		A Šetkić	6	77					A Šetkić	1	1
								9	R Marcora	6	6
																						5	D Istomin	6	6
																						13	A Nedovyesov	3	4
								13	A Nedovyesov	6	6
	WC	Baran Cengiz	6	6				WC	B Cengiz	1	4
		S Carr	3	2											13	A Nedovyesov	6	3
		Y Mertens	5	6	63											E Hoyt	2	0r
		E Hoyt	7	4	77				E Hoyt	6	7
								Alt	M Elgin	4	5

• Main draw