Singles
1983 Donnay Indoor Championships
Champion	Peter McNamara
Runner-up	Ivan Lendl
Score	6–4, 4–6, 7–6

Vitas Gerulaitis was the defending champion, but lost in the semifinals this year.

Peter McNamara won the title, defeating Ivan Lendl 6–4, 4–6, 7–6 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Ivan Lendl	7	7
	4	Mats Wilander	6	6
								1	Ivan Lendl	4	6	6
								5	Peter McNamara	6	4	7
	3	Vitas Gerulaitis	2	6
	5	Peter McNamara	6	7

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	I Lendl	7	6
		B Teacher	6	1				1	I Lendl	6	7
		B Taróczy	6	6					B Taróczy	3	5
		G Forget	1	3											1	I Lendl	6	6
		T Mayotte	6	6											8	J Kriek	3	2
		T Wilkison	2	1					T Mayotte	7	2	4
		J Grandjean	6	2	1			8	J Kriek	5	6	6
	8	J Kriek	3	6	6																	1	I Lendl	7	7
	4	M Wilander	6	6																		4	M Wilander	6	6
		H Simonsson	0	3				4	M Wilander	6	6
	Q	L Stefanki	6	6	6			Q	L Stefanki	1	1
	Q	C Dowdeswell	7	4	4										4	M Wilander	6	6
	Q	W Popp	7	2	3										6	Y Noah	3	2
		V Van Patten	5	6	6				V Van Patten	6	4	6
		Heinz Gildemeister	4	4				6	Y Noah	2	6	7
	6	Y Noah	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	S Denton	6	6
		S Glickstein	1	3				7	S Denton	6	6
		V Amritraj	6	5	6				H Pfister	4	3
		H Pfister	4	7	7										7	S Denton	6	4
		D Bedel	6	6	6										3	V Gerulaitis	7	6
		J Velasco Sr.	3	7	1				D Bedel	6	1	4
		M De Palmer	4	7	6			3	V Gerulaitis	3	6	6
	3	V Gerulaitis	6	5	7																	3	V Gerulaitis	2	6
	5	P McNamara	6	7																		5	P McNamara	6	7
		P Du Pré	1	6				5	P McNamara	7	6
		B Boileau	2	4					F Buehning	5	1
		F Buehning	6	6											5	P McNamara	6	7
		K Curren	6	7												K Curren	4	5
		J Sadri	3	6					K Curren	6	7
	Q	K Eberhard	2	3				2	J Connors	2	5
	2	J Connors	6	6

References

• Main Draw