Men's singles
1977 Australian Open (December)
Champion	Vitas Gerulaitis
Runner-up	John Lloyd
Score	6–3, 7–6, 5–7, 3–6, 6–2
Draw	64
Seeds	8

Vitas Gerulaitis defeated John Lloyd in the final, 6–3, 7–6, 5–7, 3–6, 6–2 to win the December edition of the men's singles tennis tournament at the 1977 Australian Open.

Roscoe Tanner was the defending champion, but lost in the first round to Chris Lewis.

Seeds

The seeded players are listed below. Vitas Gerulaitis is the champion; others show the round in which they were eliminated.

Qualifying

Draw

Final eight

	Quarterfinals									Semifinals									Final
	1	Vitas Gerulaitis	6	6	6	6
		Ray Ruffels	7	4	4	2
										1	Vitas Gerulaitis	6	6	6
										6	John Alexander	1	2	4
	4	Ken Rosewall	6	6	6	1
	6	John Alexander	7	7	4	6
																			1	Vitas Gerulaitis	6	7	5	3	6
																				John Lloyd	3	6	7	6	2
		John Newcombe	6	3	5	5
		John Lloyd	3	6	7	7
											John Lloyd	6	6	6
										Q	Bob Giltinan	4	2	0
		Robin Drysdale	4	4	6	6
	Q	Bob Giltinan	6	6	3	7

Section 1

	First round									Second round									Third round									Quarterfinals
	1	V Gerulaitis	7	6	6
		J Marks	6	0	1					1	V Gerulaitis	6	6	6
	Q	R Frawley	6	2	7	6	2			Q	B Drewett	4	3	3
	Q	B Drewett	7	6	6	2	6												1	V Gerulaitis	6	6	6
		O Parun	2	4	7	4														DR Bohrnstedt	4	4	4
		DR Bohrnstedt	6	6	6	6					DR Bohrnstedt	6	6	6	6
		J James	6	6	1	6					J James	2	4	7	4
		J Bartlett	0	3	6	2																						1	V Gerulaitis	6	6	6	6
		K Warwick	5	7	6	5																							R Ruffels	7	4	4	2
		P McNamee	7	6	7	7					P McNamee	3	2	3
		R Ruffels	6	7	3	6					R Ruffels	6	6	6
		W Maher	4	6	6	1														R Ruffels	6	3	6	6
		B Carmichael	2	6	3	3													8	T Gullikson	3	6	4	3
	Q	N Phillips	6	4	6	6				Q	N Phillips	2	2	1
		P McNamara	6	3	6	6	3			8	T Gullikson	6	6	6
	8	T Gullikson	3	6	2	7	6

Section 2

	First round									Second round									Third round									Quarterfinals
	4	K Rosewall	6	7	6
		D Collings	4	6	3					4	K Rosewall	6	6	6
		B Lloyd	7	6	6						B Lloyd	3	2	3
		W Lofgren	5	2	2														4	K Rosewall	6	4	6	4	9
		B Phillips-Moore	6	7	7															A Stone	4	6	4	6	7
		C Casa	0	6	5						B Phillips-Moore	1	1	1
		A Stone	3	6	6	6					A Stone	6	6	6
		S Carnahan	6	2	4	1																						4	K Rosewall	6	6	6	1
		B Scanlon	6	6	6																							6	J Alexander	7	7	4	6
		B Fairlie	3	2	3						B Scanlon	6	2	6	6
		D Palm	5	r.							A Gardiner	2	6	3	4
		A Gardiner	7																	B Scanlon	6	7	1	2
	Q	M Anderson	6	5	r.														6	J Alexander	7	6	6	6
		C Kachel	7	7							C Kachel	3	4	7	2
		W Blocher	2	2	5					6	J Alexander	6	6	5	6
	6	J Alexander	6	6	7

Section 3

	First round									Second round									Third round									Quarterfinals
	7	S Smith	7	6	6
		J Feaver	5	3	4					7	S Smith	4	6	7	6
		D Crealy	6	7	5	6					D Crealy	6	3	6	3
	Q	P Campbell	2	6	7	3													7	S Smith	3	6	5
		J Newcombe	6	7	6															J Newcombe	6	7	7
		B Teacher	3	6	3						J Newcombe	6	7	6
		E Teltscher	3	2	2						C Dibley	4	6	3
		C Dibley	6	6	6																								J Newcombe	6	3	5	5
		J Lloyd	4	6	4	6	6																						J Lloyd	3	6	7	7
		S Ball	6	3	6	4	4				J Lloyd	0	6	7	6
		T Rocavert	5	4	2						J Andrew	6	3	6	2
		J Andrew	7	6	6															J Lloyd	6	6	6
		T Wilkison	2	6	1															C Letcher	2	4	2
		C Letcher	6	7	6						C Letcher	7	6	3	6
		R Lewis	4	4	6	6	6				R Lewis	6	2	6	2
	3	T Roche	6	6	3	3	3

Section 4

	First round									Second round									Third round									Quarterfinals
	5	P Dent	4	6	5	6	6
		M Machette	6	2	7	1	2			5	P Dent	6	1	4
		S Docherty	3	4	4						R Drysdale	7	6	6
		R Drysdale	6	6	6															R Drysdale	6	7	7
		E Friedler	6	7	6	6	4													K Meiler	3	6	6
	Q	P Feigl	7	6	7	3	6			Q	P Feigl	6	7	2	1	r.
		T Gorman	7	2	1	3					K Meiler	7	6	6	2
		K Meiler	6	6	6	6																							R Drysdale	4	4	6	6
	LL	G Moretton	7	6	3	4	5																					Q	B Giltinan	6	6	3	7
		J Norbäck	6	1	6	6	7				J Norbäck	6	3	4
	Q	B Giltinan	6	6	6					Q	B Giltinan	7	6	6
		G Hardie	3	2	4														Q	B Giltinan	6	6	7
		G Masters	6	6	6															C Lewis	3	3	6
	LL	C Sylvan	4	4	3						G Masters	0	3	3
		C Lewis	3	6	6	1	6				C Lewis	6	6	6
	2	R Tanner	6	3	2	6	4

External links

• Australian Open (December 1977) on ATPWorldTour.com
• 1977 Australian Open (December) – Men's draws and results at the International Tennis Federation