Singles
1978 Stockholm Open
Final
Champion	John McEnroe
Runner-up	Tim Gullikson
Score	6–2, 6–2
Details
Draw	64
Seeds	16
Events
Singles Doubles
← 1977 · Stockholm Open · 1979 →

Sandy Mayer was the defending champion, but lost in the third round this year.

McEnroe successfully defended his title, defeating Tim Gullikson 6–2, 6–2 in the final.

The tournament featured the first ever meeting of John McEnroe and Björn Borg, in the semifinals.

	Semifinals							Final
	1	Björn Borg	3	4
	3	John McEnroe	6	6
								3	John McEnroe	6	6
								13	Tim Gullikson	2	2
	12	Wojtek Fibak	3	3
	13	Tim Gullikson	6	6

	First round							Second round							Third round							Quarterfinals
	1	B Borg	6	6
		J Austin	3	1				1	B Borg	6	6
		T Waltke	6	4	3				B Mitton	2	4
		B Mitton	4	6	6										1	B Borg	6	6
		F McMillan	7	6											9	I Năstase	4	3
		B Manson	6	4					F McMillan	2	4
	Q	J Sadri	4	6				9	I Năstase	6	6
	9	I Năstase	6	7																		1	B Borg	6	6
	16	P Fleming	4	6	6																	16	P Fleming	4	4
		C Roger-Vasselin	6	0	1			16	P Fleming	6	5	6
	Q	U Eriksson	7	7				Q	U Eriksson	4	7	4
		A Pattison	6	6											16	P Fleming	6	6
		D Bohrnstedt	5	7	1										8	S Mayer	3	3
		I Lendl	7	6	6				I Lendl	5	6
		J James	6	1				8	S Mayer	7	7
	8	S Mayer	7	6

	First round							Second round							Third round							Quarterfinals
	3	J McEnroe	6	6
	Q	Per Larsson	1	3				3	J McEnroe	6	6
		J Granát	2	4					S Simonsson	2	4
		S Simonsson	6	6											3	J McEnroe	7	6
		J Kodeš	6	6												J Kodeš	5	0
		W Zirngibl	3	2					J Kodeš	7	6
		K Meiler	6	6					K Meiler	5	4
	14	J Lloyd	2	4																		3	J McEnroe	6	7
	11	D Stockton	6	6	5																		T Okker	3	6
		A Panatta	3	7	7				A Panatta	7	6
		A Zugarelli	3	1					T Šmíd	6	4
		T Šmíd	6	6												A Panatta	6	1
		I El Shafei	3	7	4											T Okker	7	6
		T Okker	6	6	6				T Okker	6	4	6
		P Hjertquist	3	6	6				P Hjertquist	4	6	1
	6	H Solomon	6	1	3

	First round							Second round							Third round							Quarterfinals
	5	C Barazzutti	4	6
		ON Bengtson	6	7					ON Bengtson	6	6	7
		R Drysdale	7						R Drysdale	2	7	6
		V Amritraj	6	r												ON Bengtson	3	2
		A Amritraj	6	3											10	A Ashe	6	6
		H Günthardt	7	6					H Günthardt	6	0	4
		T Svensson	3	2				10	A Ashe	4	6	6
	10	A Ashe	6	6																		10	A Ashe	6	4
	12	W Fibak	6	6																		12	W Fibak	7	6
	Q	P Pearson	1	0				12	W Fibak	6	6
		G Hardie	6	6					G Hardie	4	2
		B Hewitt	3	2											12	W Fibak	6	4	6
		J Källqvist	2	3											4	B Gottfried	2	6	2
		R Lutz	6	6					R Lutz	6	3
		J Hřebec	6	2				4	B Gottfried	7	6
	4	B Gottfried	7	6

	First round							Second round							Third round							Quarterfinals
	7	R Tanner	6	6
		S Birner	3	2				7	R Tanner	6	6	6
	Q	D Palm	2	7	6			Q	D Palm	3	7	2
		M Cox	6	5	1										7	R Tanner	3	6
		J Kriek	7	6	5										15	S Smith	6	7
		To Gullikson	6	7	7				To Gullikson	6	6
	Q	F Taygan	4	3				15	S Smith	7	7
	15	S Smith	6	6																		15	S Smith	4	4
	13	Ti Gullikson	7	6																		13	Ti Gullikson	6	6
		C Letcher	6	3				13	Ti Gullikson	6	6
		E van Dillen	4	6					V Zedník	4	4
		V Zedník	6	7											13	Ti Gullikson	6	6
		R Moore	2	6												V Amaya	4	1
	Q	J Norbäck	6	7				Q	J Norbäck	4	1
		V Amaya	6	3	6				V Amaya	6	6
	2	E Dibbs	3	6	3

• Borg–McEnroe rivalry

• Main draw