Singles
2016 Heilbronner Neckarcup
Champion	Nikoloz Basilashvili
Runner-up	Jan-Lennard Struff
Score	6–4, 7–6(7–3)

Alexander Zverev was the defending champion, but chose not to defend his title.

Nikoloz Basilashvili won the title after defeating Jan-Lennard Struff 6–4, 7–6^(7–3) in the final.

Seeds

Draw

Finals

	Semifinals							Final
		Jozef Kovalík	6	4	3
		Nikoloz Basilashvili	1	6	6
									Nikoloz Basilashvili	6	77
								6	Jan-Lennard Struff	4	63
	3	Albert Montañés	0	3
	6	Jan-Lennard Struff	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	R Berankis	3	6	3
		M İlhan	6	1	6				M İlhan	6	2	3
	WC	J Tipsarević	5	3					C Berlocq	2	6	6
		C Berlocq	7	6												C Berlocq	1	4
		A Rublev	2	2												J Kovalík	6	6
		F Škugor	6	6					F Škugor	65	2
		J Kovalík	6	4	6				J Kovalík	77	6
	5	Y Nishioka	2	6	3																		J Kovalík	6	4	3
	4	D Muñoz de la Nava	4	1																			N Basilashvili	1	6	6
		N Basilashvili	6	6					N Basilashvili	64	6	77
	Q	P Torebko	6	2	3				B Rola	77	3	65
		B Rola	3	6	6											N Basilashvili	6	3	6
	WC	M Marterer	77	6											8	I Sijsling	2	6	4
	Q	A Beck	62	2				WC	M Marterer	2	4
		A Menéndez-Maceiras	1	68				8	I Sijsling	6	6
	8	I Sijsling	6	710

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	D Brown	3	6	2
	LL	Y Reuter	6	3	6			LL	Y Reuter	6	6
		G Soeda	4	5				WC	Y Maden	3	4
	WC	Y Maden	6	7											LL	Y Reuter	1	4
		N Kicker	6	6											3	A Montañés	6	6
	Q	K Krawietz	4	2					N Kicker	3	1
	Q	H Laaksonen	4	3				3	A Montañés	6	6
	3	A Montañés	6	6																		3	A Montañés	0	3
	6	J-L Struff	77	78																		6	J-L Struff	6	6
		M Zverev	63	66				6	J-L Struff	7	63	6
		R Harrison	6	3	2				R Olivo	5	77	4
		R Olivo	3	6	6										6	J-L Struff	6	6
		A González	6	3	3										WC	F Mayer	2	3
		F Tiafoe	3	6	6				F Tiafoe	3	6	1
	WC	F Mayer	4	7	6			WC	F Mayer	6	1	6
	2	H Zeballos	6	5	4

References

• Main Draw
• Qualifying Draw