Singles
2019 Guzzini Challenger
Final
Champion	Egor Gerasimov
Runner-up	Roberto Marcora
Score	6–2, 7–5
Events
Singles Doubles
← 2018 · Guzzini Challenger · 2020 →

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

Egor Gerasimov won the title after defeating Roberto Marcora 6–2, 7–5 in the final.

All seeds receive a bye into the second round.

	Quarterfinals							Semifinals							Final
		Roberto Marcora	7	65	78
		Jurij Rodionov	5	77	66
									Roberto Marcora	4	7	79
								15	Mats Moraing	6	5	67
	15	Mats Moraing	6	6
	9	Ramkumar Ramanathan	4	1
																Roberto Marcora	2	5
															10	Egor Gerasimov	6	7
	6	Lukáš Lacko	7	6
	13	Viktor Galović	5	3
								6	Lukáš Lacko	3	6	3
								10	Egor Gerasimov	6	1	6
	10	Egor Gerasimov	6	6
		Kenny de Schepper	4	3

	First round							Second round							Third round							Quarterfinals
								1/WC	M Bachinger	6	6
	WC	G Fonio	1	2					Zh Zhang	1	4
		Zh Zhang	6	6											1/WC	M Bachinger	77	3	4
		R Quiroz	1	6	5											R Marcora	65	6	6
		R Marcora	6	4	7				R Marcora	6	6
								14	M Bašić	3	4
																							R Marcora	7	65	78
																							J Rodionov	5	77	66
								11	S Napolitano	4	3
	ITF	E Tiurnev	3	3					J Rodionov	6	6
		J Rodionov	6	6												J Rodionov	3	77	6
		G Oliveira	3	4											ITF	R Brancaccio	6	64	1
	ITF	R Brancaccio	6	6				ITF	R Brancaccio	4	6	6
								7	A Menéndez Maceiras	6	3	3

	First round							Second round							Third round							Quarterfinals
								3	L Giustino	64	2
		A Bega	2	7	6				A Bega	77	6
	WC	E Dalla Valle	6	5	2											A Bega	3	2
	Q	Samuele Ramazzotti	7	77											15	M Moraing	6	6
		V Durasovic	5	63				Q	S Ramazzotti	4	4
								15	M Moraing	6	6
																						15	M Moraing	6	6
																						9	R Ramanathan	4	1
								9	R Ramanathan	6	6
	ITF	A Rinderknech	4	3				Q	N Čačić	3	3
	Q	N Čačić	6	6											9	R Ramanathan	6	6
		M Viola	6	77												M Viola	4	1
	WC	Emiliano Maggioli	3	64					M Viola	6	5	6
								5	I Ivashka	4	7	4

	First round							Second round							Third round							Quarterfinals
								6	L Lacko	6	6
		L Vanni	64	4					A Avidzba	2	4
		A Avidzba	77	6											6	L Lacko	78	4	6
	ITF	A Karatsev	2	5											12	E Gómez	66	6	3
		T Seyboth Wild	6	7					T Seyboth Wild	4	4r
								12	E Gómez	6	3
																						6	L Lacko	7	6
																						13	V Galović	5	3
								13	V Galović	77	6
		P Kotov	6	1	6				P Kotov	64	4
		JP Varillas	4	6	4										13	V Galović	5	6	6
		I Marchenko	2	77	6										4	S Stakhovsky	7	3	3
		K Uchida	6	65	4				I Marchenko	64	6	5
								4	S Stakhovsky	77	3	7

	First round							Second round							Third round							Quarterfinals
								8	F Baldi	3	78	2
		A Vavassori	6	7					A Vavassori	6	66	6
	Alt	M Bortolotti	4	5												A Vavassori	1	6	3
		G Sakharov	3	65											10	E Gerasimov	6	3	6
		M-A Hüsler	6	77					M-A Hüsler	5	65
								10	E Gerasimov	7	77
																						10	E Gerasimov	6	6
																							K de Schepper	4	3
								16	E López Pérez	2	4
		Yo Watanuki	6	6					Yo Watanuki	6	6
	WC	L Musetti	0	2												Yo Watanuki	0	2
		A Šetkić	5	3												K de Schepper	6	6
		K de Schepper	7	6					K de Schepper	6	6
								2	E Donskoy	3	4

• Main draw
• Qualifying draw