Men's singles
1979 U.S. Clay Court Championships
Final
Champion	Jimmy Connors
Runner-up	Guillermo Vilas
Score	6–1, 2–6, 6–4
Details
Draw	64
Seeds	16
Events
Singles men women Doubles men women
← 1978 · U.S. Clay Court Championships · 1980 →

Top-seed Jimmy Connors claimed the title and first prize money of $25,000 by defeating third-seeded Guillermo Vilas in the final.^[1]

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.

	Quarterfinals							Semifinals							Final
	1	Jimmy Connors	6	7
	13	Ivan Lendl	2	6
								1	Jimmy Connors	6	7
								4	José Higueras	2	5
	4	José Higueras	6	6
	11	Corrado Barazzutti	4	1
															1	Jimmy Connors	6	2	6
															3	Guillermo Vilas	1	6	4
	5	José Luis Clerc	3	6
	3	Guillermo Vilas	6	7
								3	Guillermo Vilas	6	7
								2	John McEnroe	4	5
	8	Manuel Orantes	3	3
	2	John McEnroe	6	6

	First round							Second round							Third round							Quarterfinals
	1	J Connors	6	7
		M Edmondson	4	5				1	J Connors	6	6
		P Složil	6	6					P Složil	3	2
		F Dalla Fontana	2	0											1	J Connors	5	6	9
	Q	W Maher	6	6											10	B Taróczy	7	1	7
		J Marks	2	2				Q	W Maher	2	4
		E Montaño	0	0				10	B Taróczy	6	6
	10	B Taróczy	6	6																		1	J Connors	6	7
	13	I Lendl	7	6																		13	I Lendl	2	6
		R Case	5	1				13	I Lendl	6	6
		J James	3	3					P Kronk	3	1
		P Kronk	6	6											13	I Lendl	6	7
	Q	R Drysdale	3	3												J Fillol	2	5
	Q	Z Guerry	6	6				Q	Z Guerry	3	6	7
		J Fillol	1	6	6				J Fillol	6	2	9
	6	G Mayer	6	2	3

	First round							Second round							Third round							Quarterfinals
	4	J Higueras	6	6
		R Crawford	2	2				4	J Higueras	6	3
		C Dowdeswell	6	3					P McNamee	0	0r
		P McNamee	7	6											4	J Higueras	6	6
		H Schoenfield	7	0	6										16	P McNamara	4	2
		D Joubert	6	6	0				H Schoenfield	2	7	2
		F McNair	2	0				16	P McNamara	6	5	6
	16	P McNamara	6	6																		4	J Higueras	6	6
	11	C Barazzutti	6																			11	C Barazzutti	4	1
		C Stansbury	3	r				11	C Barazzutti	6	6
		J Hřebec	6	6					J Hřebec	3	0
		J Lapidus	3	0											11	C Barazzutti	6	6	6
		G Hardie	4	5											7	W Fibak	2	7	4
		J Lloyd	6	7					J Lloyd	4	3
		A Maurer	2	2				7	W Fibak	6	6
	7	W Fibak	6	6

	First round							Second round							Third round							Quarterfinals
	5	JL Clerc	6	7
	Q	J Núñez	2	6				5	JL Clerc	6	6
		A Pattison	3	5					N Saviano	2	1
		N Saviano	6	7											5	JL Clerc	6	6
		K Warwick	7	6											9	E Teltscher	3	2
	Q	L Bourne	6	0					K Warwick	2	4
		D Bohrnstedt	1	0r				9	E Teltscher	6	6
	9	E Teltscher	6	2																		5	JL Clerc	3	6
	12	T Šmíd	6	6																		3	G Vilas	6	7
		M Shore	1	1				12	T Šmíd	6	7
		B Drewett	6	6					B Drewett	4	6
		N Phillips	1	0											12	T Šmíd	1	4
		S Krulevitz	6	1	1										3	G Vilas	6	6
		V Winitsky	4	6	6				V Winitsky	5	3
		M Purcell	2	2				3	G Vilas	7	6
	3	G Vilas	6	6

	First round							Second round							Third round							Quarterfinals
	8	M Orantes	7	7
	Q	T Mayotte	5	5				8	M Orantes	6	6
		D Collings	4	3				Q	M Grant	2	3
	Q	M Grant	6	6											8	M Orantes	4
		H Ismail	6	3	4											A Gómez	2r
		A Gómez	4	6	6				A Gómez	6	6
		J Kodeš	5	3				15	C Lewis	3	2
	15	C Lewis	7	6																		8	M Orantes	3	3
	14	P Feigl	6	2r																		2	J McEnroe	6	6
		R Ycaza	7	4					R Ycaza	6	6	7
		C Roger-Vasselin	6	3	4				J Andrew	4	7	5
		J Andrew	1	6	6											R Ycaza	1	1
	Q	R Van't Hof	6	3	3										2	J McEnroe	6	6
		R Krishnan	4	6	6				R Krishnan	4	1
		M Cahill	5	1				2	J McEnroe	6	6
	2	J McEnroe	7	6