2021 Internazionali di Tennis Città di Forlì – Singles

Lorenzo Musetti was the defending champion but chose not to defend his title.

Singles
2021 Internazionali di Tennis Città di Forlì
Champion	Mats Moraing
Runner-up	Quentin Halys
Score	3–6, 6–1, 7–5

Main article: 2021 Internazionali di Tennis Città di Forlì

Mats Moraing won the title after defeating Quentin Halys 3–6, 6–1, 7–5 in the final.

Seeds

1. Tallon Griekspoor (first round)
2. Alessandro Giannessi (first round)
3. Paolo Lorenzi (first round)
4. Steven Diez (quarterfinals)
5. Cem İlkel (first round)
6. Robin Haase (first round)
7. Tomás Martín Etcheverry (semifinals)
8. Quentin Halys (final)

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
• SR = Special ranking

Finals

	Semifinals							Final
	8	Quentin Halys	77	6
		Gastão Elias	64	4
								8	Quentin Halys	6	1	5
									Mats Moraing	3	6	7
	7	Tomás Martín Etcheverry	3	5
		Mats Moraing	6	7

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	T Griekspoor	6	1	5
	Q	F Forti	4	6	7			Q	F Forti	6	6
	Q	Lucas Gerch	78	3	6			Q	L Gerch	4	4
	Q	TA Tirante	66	6	3										Q	F Forti	5	3
		F Baldi	3	5											8	Q Halys	7	6
		E Benchetrit	6	7					E Benchetrit	4	5
		J Lenz	3	3				8	Q Halys	6	7
	8	Q Halys	6	6																		8	Q Halys	77	6
	3	P Lorenzi	3	4																			G Elias	64	4
	Alt	R Brancaccio	6	6				Alt	R Brancaccio	5	6	6
		D Ajduković	77	5	77				D Ajduković	7	4	3
	WC	F Passaro	62	7	64										Alt	R Brancaccio	2	3
		G Elias	6	6												G Elias	6	6
	PR	V Galović	3	2					G Elias	6	79
	Alt	O Luz	7	3	7			Alt	O Luz	4	67
	5	C İlkel	5	6	5

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	TM Etcheverry	6	6
		M Jaziri	4	2				7	TM Etcheverry	6	4	6
	WC	F Cobolli	6	7				WC	F Cobolli	4	6	2
		G Zeppieri	0	5											7	TM Etcheverry	4	6	6
	Q	Sebastian Fanselow	2	2											4	S Diez	6	3	2
		C Ugo Carabelli	6	6					C Ugo Carabelli	2	69
		A Arnaboldi	0r					4	S Diez	6	711
	4	S Diez	5																			7	TM Etcheverry	3	5
	6	R Haase	3	1																			M Moraing	6	7
		M Moraing	6	6					M Moraing	3	6	6
		I Sijsling	6	77					I Sijsling	6	4	2
		A Pellegrino	2	65												M Moraing	6	6
		P Cachin	4	6	6										WC	J Berrettini	3	4
		H Grenier	6	4	3				P Cachin	64	77	4
	WC	J Berrettini	6	77				WC	J Berrettini	77	64	6
	2	A Giannessi	1	60

External links

• Main draw
• Qualifying draw