Men's singles
1984 NSW Building Society Open
Final
Champion	John Fitzgerald
Runner-up	Sammy Giammalva Jr.
Score	6–3, 6–3
Details
Draw	56 (4WC/7Q)
Seeds	16
Events
Singles men women Doubles men women
← 1983 · Sydney International · 1985 →

Joakim Nyström was the defending champion, but did not compete this year.

John Fitzgerald won the title by defeating Sammy Giammalva Jr. 6–3, 6–3 in the final.^[1]

The first eight seeds received a bye into the second round.

	Quarterfinals							Semifinals							Final
	1/WC	Johan Kriek	4	7	6
	11	Marty Davis	6	5	3
								1/WC	Johan Kriek	7	4	3
									Sammy Giammalva Jr.	5	6	6
		Sammy Giammalva Jr.	7	6
	10	Bill Scanlon	6	3
																Sammy Giammalva Jr.	3	3
															9	John Fitzgerald	6	6
	6	Ben Testerman	3	7	6
	3	Kevin Curren	6	6	7
								3	Kevin Curren	6	2	2
								9	John Fitzgerald	4	6	6
	15	Tom Gullikson	6	7	6
	9	John Fitzgerald	7	6	7

	First round							Second round							Third round							Quarterfinals
								1/WC	J Kriek	6	7
		D Saltz	6	7					D Saltz	4	6
		A Maurer	4	6											1/WC	J Kriek	6	6
		J Hlasek	3	4											13	S Davis	1	4
	WC	M Kratzmann	6	6				WC	M Kratzmann	1	4
		J Frawley	1	4				13	S Davis	6	6
	13	S Davis	6	6																		1/WC	J Kriek	4	7	6
	11	M Davis	7	4	6																	11	M Davis	6	5	3
		F González	6	6	4			11	M Davis	4	7	0
		B Derlin	6	3	6			Q	K Warwick	6	6	1r
	Q	K Warwick	3	6	7										11	M Davis	3	6	6
		J Alexander	6	5	4										Q	K Flach	6	3	3
	Q	K Flach	3	7	6			Q	K Flach	6	4	6
								5	M Bauer	4	6	0

	First round							Second round							Third round							Quarterfinals
								4	J Lloyd	2	1
		S Giammalva Jr.	6	6					S Giammalva Jr.	6	6
		M De Palmer	4	2												S Giammalva Jr.	6	6
		L Bourne	2	6	1										16	B Drewett	2	4
		C van Rensburg	6	4	6				C van Rensburg	5	3
		G Layendecker	1	5				16	B Drewett	7	6
	16	B Drewett	6	7																			S Giammalva Jr.	7	6
	10	B Scanlon	2	7	6																	10	B Scanlon	6	3
		R Simpson	6	6	4			10	B Scanlon	6	6
		D Cassidy	3	2					T Benhabiles	4	4
		T Benhabiles	6	6											10	B Scanlon	7	4	6
	Q	R Knapp	4	4											Q	T Cain	6	6	4
	Q	T Cain	6	6				Q	T Cain	6	3	6
								8	G Forget	3	6	4

	First round							Second round							Third round							Quarterfinals
								6	B Testerman	6	7
		C Dowdeswell	6	7					C Dowdeswell	3	5
		J Mattke	4	6											6	B Testerman	3	6	6
		B Becker	4	4											14	W Masur	6	3	4
		E Edwards	6	6					E Edwards	0r
	WC	S Youl	3	2				14	W Masur	4
	14	W Masur	6	6																		6	B Testerman	3	7	6
	12	L Shiras	7	7																		3	K Curren	6	6	7
	Q	S McCain	6	6				12	L Shiras	4	6
		M Freeman	5	1					S Perkiss	6	7
		S Perkiss	7	6												S Perkiss	4	6	4
		D Keretić	1	6	6										3	K Curren	6	3	6
		P Annacone	6	2	1				D Keretić	4	4
								3	K Curren	6	6

	First round							Second round							Third round							Quarterfinals
								7	M Mečíř	3	5
	WC	P Doohan	6	7				WC	P Doohan	6	7
		A Andrews	4	6											WC	P Doohan	6	4	6
	Q	M Anger	4	6	7										15	To Gullikson	3	6	7
		S Denton	6	0	5			Q	M Anger	2	7	5
		R Harmon	7	4	6			15	To Gullikson	6	6	7
	15	To Gullikson	6	6	7																	15	To Gullikson	6	7	6
	9	J Fitzgerald	6	6																		9	J Fitzgerald	7	6	7
		D Houston	4	2				9	J Fitzgerald	6	6
		J Turpin	2	1					S Simonsson	2	1
		S Simonsson	6	6											9	J Fitzgerald	6	7
		H Pfister	6	6												H Pfister	4	5
	Q	D Gitlin	4	3					H Pfister	4	7	7
								2	T Mayotte	6	6	5

• Official results archive (ATP)
• Official results archive (ITF)