2021 Internazionali di Tennis del Friuli Venezia Giulia – Singles

Bernabé Zapata Miralles was the defending champion^[1] but chose not to defend his title.

Singles
2021 Internazionali di Tennis del Friuli Venezia Giulia
Champion	Francisco Cerúndolo
Runner-up	Tomás Martín Etcheverry
Score	6–1, 6–2

Main article: 2021 Internazionali di Tennis del Friuli Venezia Giulia

Francisco Cerúndolo won the title after defeating Tomás Martín Etcheverry 6–1, 6–2 in the final.

Seeds

1. Stefano Travaglia (quarterfinals)
2. Gilles Simon (first round)
3. Francisco Cerúndolo (champion)
4. Juan Pablo Varillas (quarterfinals)
5. Hugo Dellien (first round)
6. Antoine Hoang (first round)
7. Juan Manuel Cerúndolo (first round)
8. Federico Gaio (second round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
		Andrea Collarini	2	6	1
	3	Francisco Cerúndolo	6	3	6
								3	Francisco Cerúndolo	6	6
									Tomás Martín Etcheverry	1	2
		Tomás Martín Etcheverry	6	1	6
		Marc-Andrea Hüsler	3	6	3

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	S Travaglia	6	6
	Alt	P Kotov	1	2				1	S Travaglia	67	6	6
		Q Halys	4	65				SE	TA Tirante	79	3	4
	SE	TA Tirante	6	77											1	S Travaglia	1	2
	WC	L Nardi	0	3												A Collarini	6	6
	Q	F Forti	6	6				Q	F Forti	1	3
		A Collarini	6	7					A Collarini	6	6
	6	A Hoang	4	5																			A Collarini	2	6	1
	3	F Cerúndolo	6	6																		3	F Cerúndolo	6	3	6
	Q	A González	4	2				3	F Cerúndolo	6	6
		L Giustino	62	6	6				L Giustino	3	3
	WC	F Baldi	77	4	2										3	F Cerúndolo	6	4	6
		A Pellegrino	7	62	63										Q	G Zeppieri	1	6	3
	Q	G Zeppieri	5	77	77			Q	G Zeppieri	6	6
	WC	R Bonadio	6	3	6			WC	R Bonadio	3	2
	7	JM Cerúndolo	0	6	2

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	F Gaio	6	3	6
		F Meligeni Alves	3	6	3			8	F Gaio	4	3
		TM Etcheverry	5	77	7				TM Etcheverry	6	6
		R Olivo	7	63	5											TM Etcheverry	6	2	7
		Z Kolář	6	6											4	JP Varillas	2	6	5
		P Lorenzi	2	0					Z Kolář	3	77	62
		A Tabilo	4	4				4	JP Varillas	6	65	77
	4	JP Varillas	6	6																			TM Etcheverry	6	1	6
	5	H Dellien	64	0																			M-A Hüsler	3	6	3
	Q	C Ugo Carabelli	77	6				Q	C Ugo Carabelli	4	3
		M-A Hüsler	6	6					M-A Hüsler	6	6
		R Marcora	4	4												M-A Hüsler	6	60	6
		J Menezes	6	4	1											MT Barrios Vera	1	77	4
		MT Barrios Vera	3	6	6				MT Barrios Vera	6	77
		GM Moroni	77	6					GM Moroni	4	65
	2	G Simon	64	4