2021 Bucharest Challenger – Singles

Singles
2021 Bucharest Challenger
Champion	Jiří Lehečka
Runner-up	Filip Horanský
Score	6–3, 6–2

Main article: 2021 Bucharest Challenger

This was the first edition of the tournament.

Jiří Lehečka won the title after defeating Filip Horanský 6–3, 6–2 in the final.

Seeds

1. Stefano Travaglia (semifinals)
2. Radu Albot (second round)
3. Thanasi Kokkinakis (quarterfinals)
4. Zdeněk Kolář (first round)
5. Sumit Nagal (first round)
6. Maximilian Marterer (second round)
7. Vít Kopřiva (second round)
8. Jiří Lehečka (champion)

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	Stefano Travaglia	3	63
	8	Jiří Lehečka	6	77
								8	Jiří Lehečka	6	6
									Filip Horanský	3	2
		Filip Horanský	6	4	6
		Lorenzo Giustino	3	6	2

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	S Travaglia	6	6
		L Rosol	4	3				1	S Travaglia	2	6	6
		F Cobolli	7	66	6				F Cobolli	6	4	2
	Q	I Gakhov	5	78	1										1	S Travaglia	6	6
		V Sachko	6	6												V Sachko	3	4
		A Erler	2	2					V Sachko	6	2	77
		L Miedler	3	1				6	M Marterer	3	6	60
	6	M Marterer	6	6																		1	S Travaglia	3	63
	4	Z Kolář	5	4																		8	J Lehečka	6	77
		T Gabashvili	7	6					T Gabashvili	3	3
	WC	ND Ionel	77	6				WC	ND Ionel	6	6
	WC	Ștefan Paloși	65	1											WC	ND Ionel	4	4
	Q	DN Mădăraș	6	6											8	J Lehečka	6	6
	Alt	FC Jianu	4	3				Q	DN Mădăraș	1	2
	Alt	A Vatutin	3	1				8	J Lehečka	6	6
	8	J Lehečka	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	V Kopřiva	6	6
		M Copil	4	4				7	V Kopřiva	3	4
	WC	N Frunză	63	4					F Horanský	6	6
		F Horanský	77	6												F Horanský	77	4	6
	Q	C Hemery	6	6											3	T Kokkinakis	65	6	2
		J Sels	4	4				Q	C Hemery	6	64	64
		D Ajduković	1	1r				3	T Kokkinakis	2	77	77
	3	T Kokkinakis	6	3																			F Horanský	6	4	6
	5	S Nagal	6	5	5																		L Giustino	3	6	2
		L Giustino	3	7	7				L Giustino	2	7	6
		G Blancaneaux	4	5				Q	M Arnaldi	6	5	4
	Q	M Arnaldi	6	7												L Giustino	6	6
		R Bonadio	65	77	6											R Bonadio	2	3
		J Clarke	77	64	2				R Bonadio	6	6
		N Serdarušić	2	5				2	R Albot	3	3
	2	R Albot	6	7

External links

• Main draw
• Qualifying draw