Singles
2021 Challenger Eckental
Champion	Daniel Masur
Runner-up	Maxime Cressy
Score	6–4, 6–4

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

Daniel Masur won the title after defeating Maxime Cressy 6–4, 6–4 in the final.

Seeds

Draw

Finals

	Semifinals							Final
		Marc-Andrea Hüsler	2	3
		Daniel Masur	6	6
									Daniel Masur	6	6
								6	Maxime Cressy	4	4
	5	Tomáš Macháč	3	6	65
	6	Maxime Cressy	6	3	77

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	J Thompson	7	62	77
	WC	M Rosenkranz	5	77	65			1	J Thompson	6	3
		R Bemelmans	66	6	7				R Bemelmans	1	1r
	Q	Tobias Simon	78	3	5										1	J Thompson	3	1
		M-A Hüsler	6	6												M-A Hüsler	6	6
	Q	Christopher Heyman	1	1					M-A Hüsler	3	6	6
	WC	MH Rehberg	3	4				LL	L Miedler	6	2	1
	LL	L Miedler	6	6																			M-A Hüsler	2	3
	4	O Otte	2	77	4																		D Masur	6	6
		D Masur	6	63	6				D Masur	6	6
	WC	M Möller	2	5					M Bašić	3	4
		M Bašić	6	7												D Masur	6	6
		R Ramanathan	79	4	6											R Ramanathan	3	3
	LL	A Šetkić	67	6	3				R Ramanathan	7	77
		M Marterer	6	6					M Marterer	5	64
	8	K Żuk	3	4

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	T Macháč	77	4	6
		J Draper	65	6	4			5	T Macháč	6	77
	Q	H Squire	77	2	77			Q	H Squire	2	64
	LL	A Erler	63	6	65										5	T Macháč	6	6
		M Copil	2	6	6											D Stricker	4	4
		V Sachko	6	2	4				M Copil	63	2
		D Stricker	5	77	6				D Stricker	77	6
	3	J Rodionov	7	65	4																	5	T Macháč	3	6	65
	6	M Cressy	61	6	6																	6	M Cressy	6	3	77
	Q	J Härteis	77	4	3			6	M Cressy	6	6
		G Blancaneaux	6	6					G Blancaneaux	3	4
		E Furness	1	1											6	M Cressy	77	77
		A Vavassori	6	3	6										2	J Veselý	60	63
		M Bachinger	4	6	3				A Vavassori	4	1
		J Forejtek	1	7	5			2	J Veselý	6	6
	2	J Veselý	6	5	7

References

External links

• Main draw
• Qualifying draw