1989 Italian Open – Men's singles

Men's singles
1989 Italian Open
Champion	Alberto Mancini
Runner-up	Andre Agassi
Score	6–3, 4–6, 2–6, 7–6, 6–1
Draw	64
Seeds	16

Alberto Mancini defeated Andre Agassi in the final, 6–3, 4–6, 2–6, 7–6, 6–1, to win the men's singles tennis title at the 1989 Italian Open. Mancini saved a championship point in the fourth set.^[1]

Ivan Lendl was the defending champion, but did not compete this year.

	Semifinals							Final
		Jordi Arrese	2	4
	11	Alberto Mancini	6	6
								11	Alberto Mancini	6	4	2	7	6
								2	Andre Agassi	3	6	6	6	1
		Sergi Bruguera	3	4
	2	Andre Agassi	6	6

	First round							Second round							Third round							Quarterfinals
	1	M Wilander	6	6	6
		J Frana	7	3	2			1	M Wilander	4	6	6
		J Sánchez	6	6					J Sánchez	6	4	3
		J Nyström	3	0											1	M Wilander	3	4
		J Arias	6	3	0											J Berger	6	6
		J Berger	4	6	6				J Berger	7	6
		J Gunnarsson	5	4				15	M Filippini	5	3
	15	M Filippini	7	6																			J Berger	1	1
	10	D Cahill	1	7	6																		J Arrese	6	6
	Q	F Davín	6	5	2			10	D Cahill	6	2	6
		M Střelba	1	7	6				M Střelba	3	6	2
		L Mattar	6	6	0										10	D Cahill	6	3	5
		J Arrese	6	4	6											J Arrese	3	6	7
		M Šrejber	2	6	1				J Arrese	6	7
		A Võsand	3	2				7	A Krickstein	4	5
	7	A Krickstein	6	6

	First round							Second round							Third round							Quarterfinals
	4	M Mečíř	2	5
	WC	O Camporese	6	7				WC	O Camporese	5	6	6
		G Ivanišević	6	6					G Ivanišević	7	4	2
		N Pereira	4	3											WC	O Camporese	6	6
	Q	N Marques	3	1											13	J Yzaga	3	4
		T Nijssen	6	6					T Nijssen	2	2
		M Vajda	5	2				13	J Yzaga	6	6
	13	J Yzaga	7	6																		WC	O Camporese	5	7	3
	11	A Mancini	6	6																		11	A Mancini	7	6	6
	Q	F Clavet	3	2				11	A Mancini	6	6
		L Duncan	7	6					L Duncan	2	1
		T Tulasne	5	1											11	A Mancini	w/o
	WC	M Narducci	5	4											6	E Sánchez
		M Jaite	7	6					M Jaite	2	5
		E Bengoechea	1	2				6	E Sánchez	6	7
	6	E Sánchez	6	6

	First round							Second round							Third round							Quarterfinals
	5	J Connors	6	6
	Q	C Pioline	4	2				5	J Connors	6	6	6
	Q	C di Laura	1	1				Q	M Cierro	7	2	3
	Q	M Cierro	6	6											5	J Connors	1	1
		K Nováček	6	6												S Bruguera	6	6
		S Casal	1	2					K Nováček	6	4	3
		S Bruguera	2	6	6				S Bruguera	2	6	6
	12	A Gómez	6	2	2																		S Bruguera	6	6
	14	H Skoff	5	6	3																		M Koevermans	2	4
		D Nargiso	7	4	6				D Nargiso	6	6
		C Motta	3	6	2				C Pistolesi	2	1
		C Pistolesi	6	2	6											D Nargiso	3	6	1
		J Stoltenberg	4	5												M Koevermans	6	3	6
	WC	J L Clerc	6	7				WC	J L Clerc	3	1
		M Koevermans	6	6					M Koevermans	6	6
	3	K Carlsson	3	4

	First round							Second round							Third round							Quarterfinals
	8	G Pérez Roldán	6	6
		T Champion	1	0				8	G Pérez Roldán	7	6
		H de la Peña	6	4				Q	J Potier	6	4
	Q	J Potier	7	6											8	G Pérez Roldán	6	6	6
	WC	C Panatta	1	2												J Courier	1	7	3
		J Courier	6	6					J Courier	6	6
		B Orešar	7	3	6				B Orešar	4	1
	9	R Agénor	6	6	2																	8	G Pérez Roldán	3	1
	16	M Woodforde	2	3																		2	A Agassi	6	6
		F Luna	6	6					F Luna	3	6	3
	WC	S Pescosolido	4	1					L Lavalle	6	3	6
		L Lavalle	6	6												L Lavalle	3	4
	Q	D Pérez	2	3											2	A Agassi	6	6
		P Sampras	6	6					P Sampras	2	1
		T Witsken	1	4				2	A Agassi	6	6
	2	A Agassi	6	6

• 1989 Italian Open draw