Singles
1984 Donnay Indoor Championships
Champion	John McEnroe
Runner-up	Ivan Lendl
Score	6–1, 6–3

Peter McNamara was the defending champion, but did not participate this year.

John McEnroe won the title, defeating Ivan Lendl 6–1, 6–3 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Ivan Lendl	6	6
		Tomáš Šmíd	1	2
								1	Ivan Lendl	1	3
								2	John McEnroe	6	6
	Q	Thomas Högstedt	3	1
	2	John McEnroe	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	I Lendl	6	6
	Q	B Gilbert	1	0				1	I Lendl	6	6
		A Järryd	0	6	6				A Järryd	4	2
		W Fibak	6	4	0										1	I Lendl	6	6
		S Davis	3	4											8	G Mayer	3	4
	Q	P Cash	6	6				Q	P Cash	3	3
		H Leconte	4	3				8	G Mayer	6	6
	8	G Mayer	6	6																		1	I Lendl	6	6
	3	M Wilander	5	5																			T Šmid	1	2
		T Šmid	7	7					T Šmid	6	2	6
		B Teacher	2	5					H Pfister	3	6	0
		H Pfister	6	7												T Šmid	6	6
		M Purcell	0	6	1											H Sundström	0	4
		H Günthardt	6	0	6				H Günthardt	3	1
		H Sundström	7	2	7				H Sundström	6	6
	6	B Scanlon	6	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	E Teltscher	6	3	6
		J Nyström	3	6	2			5	E Teltscher	4	3
		J Vanlangendonck	6	5	5			Q	T Högstedt	6	6
	Q	T Högstedt	4	7	7										Q	T Högstedt	6	4	6
		K Demuynck	6	1	4											B Boileau	4	6	3
		R Van't Hof	4	6	6				R Van't Hof	5	6	1
		B Boileau	6	6					B Boileau	7	3	6
	4	K Curren	3	4																		Q	T Högstedt	3	1
	7	J Kriek	6	3	6																	2	J McEnroe	6	6
		B Gottfried	3	6	4			7	J Kriek	6	6
		V Gerulaitis	6	6					V Gerulaitis	4	4
		C Dowdeswell	2	3											7	J Kriek	3	1
		T Gullikson	7	2	4										2	J McEnroe	6	6
	Q	M Ostoja	6	6	6			Q	M Ostoja	1	2
		T Mayotte	1	1				2	J McEnroe	6	6
	2	J McEnroe	6	6

References

• Main Draw