2021 Belgrade Challenger – Men's singles

This was the first of the three tournaments held in Belgrade for the 2021 tennis season. Belgrade also hosted a joint ATP/WTA tournament.

Men's singles
2021 Belgrade Challenger
Champion	Roberto Carballés Baena
Runner-up	Damir Džumhur
Score	6–4, 7–5

Main article: 2021 Belgrade Challenger

Roberto Carballés Baena won the title after defeating Damir Džumhur 6–4, 7–5 in the final.

Seeds

1. Roberto Carballés Baena (champion)
2. Facundo Bagnis (quarterfinals)
3. Daniel Elahi Galán (first round)
4. Philipp Kohlschreiber (second round)
5. Francisco Cerúndolo (first round)
6. Taro Daniel (quarterfinals)
7. Hugo Dellien (second round)
8. Benjamin Bonzi (second round)

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
	1	Roberto Carballés Baena	3	6	6
		Liam Broady	6	2	3
								1	Roberto Carballés Baena	6	7
									Damir Džumhur	4	5
		Damir Džumhur	3	6	6
		Jozef Kovalík	6	3	3

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	R Carballés Baena	6	77
		A Rinderknech	4	64				1	R Carballés Baena	6	6
	Q	M Trungelliti	6	6				Q	M Trungelliti	2	4
		D Petrović	3	2											1	R Carballés Baena	79	6
	SE	B Rola	6	2											SE	B Rola	67	1
	Q	A Giannessi	4	0r				SE	B Rola	6	6
	SE	G Oliveira	0r					8	B Bonzi	2	2
	8	B Bonzi	4																			1	R Carballés Baena	3	6	6
	3	DE Galán	5	6	4																		L Broady	6	2	3
		S Ofner	7	3	6				S Ofner	6	1	5
		L Broady	6	6					L Broady	4	6	7
		N Milojević	3	4												L Broady	6	62	6
		B Nakashima	67	6	6											B Nakashima	4	77	4
	Q	E Benchetrit	79	1	0				B Nakashima	6	6
		T Griekspoor	67	4				7	H Dellien	2	2
	7	H Dellien	79	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	T Daniel	6	7
	WC	M Miladinović	1	5				6	T Daniel	6	6
	Q	M Bachinger	7	4	0r				A Hoang	4	2
		A Hoang	5	6	0										6	T Daniel	4	4
		D Džumhur	4	6	6											D Džumhur	6	6
	WC	P Krstin	6	2	3				D Džumhur	6	6
		M Cressy	5	6	2			4	P Kohlschreiber	4	3
	4	P Kohlschreiber	7	4	6																		D Džumhur	3	6	6
	5	F Cerúndolo	66	1																			J Kovalík	6	3	3
		J Kovalík	78	6					J Kovalík	6	77
		E Donskoy	4	3					F Gaio	0	64
		F Gaio	6	6												J Kovalík	2	6	6
		O Otte	3	6	3										2	F Bagnis	6	4	4
	WC	H Međedović	6	1	6			WC	H Međedović	2	2
		J Rodionov	6	1	2			2	F Bagnis	6	6
	2	F Bagnis	2	6	6

External links

• Main draw
• Qualifying draw