Men's singles
1988 OTB Open
Final
Champion	Tim Mayotte
Runner-up	Johan Kriek
Score	5–7, 6–3, 6–2
Details
Draw	32
Seeds	8
Events
Singles men women Doubles men women
← 1987 · OTB Open · 1989 →

Jaime Yzaga was the defending champion, but did not participate this year.

Tim Mayotte won the tournament, beating Johan Kriek in the final, 5–7, 6–3, 6–2.

	Semifinals							Final
	1	Tim Mayotte	6	7
		Pete Sampras	2	6
								1	Tim Mayotte	5	6	6
								3	Johan Kriek	7	3	2
	3	Johan Kriek	6	6
		Thomas Högstedt	0	2

	First round							Second round							Quarterfinals							Semifinals
	1	T Mayotte	6	7
	Q	M Basham	2	5				1	T Mayotte	6	6
		C Geyer	4	1					G Layendecker	4	3
		G Layendecker	6	6											1	T Mayotte	7	6
		P Johnson	3	6	6											L Lavalle	6	2
		S DeVries	6	3	1				P Johnson	7	2	2
		L Lavalle	6	7					L Lavalle	5	6	6
	7	M Robertson	4	6																		1	T Mayotte	6	7
	4	M Kures	6	6	4																		P Sampras	2	6
		G Pozzi	2	7	6				G Pozzi	1	5
		P Sampras	6	6					P Sampras	6	7
		W Popp	2	1												P Sampras	6	6
		D Burke	6	6												D Burke	3	3
		J Gurfein	3	4					D Burke	6	7
	WC	M Blackman	6	6	6			WC	M Blackman	3	6
	5	M Laurendeau	7	4	2

	First round							Second round							Quarterfinals							Semifinals
	6	R Matuszewski	6	6
		A Mronz	4	4				6	R Matuszewski	3	4
		T Mmoh	2	3				WC	P McEnroe	6	6
	WC	P McEnroe	6	6											WC	P McEnroe	3	6
		Z Ali	6	7											3	J Kriek	6	7
		P Chamberlin	3	6					Z Ali	3	2
		M Bauer	2	5				3	J Kriek	6	6
	3	J Kriek	6	7																		3	J Kriek	6	6
	8	R Bergh	6	1r																			T Högstedt	0	2
	Q	C Beckman	7	4				Q	C Beckman	4	3
		J Levine	1	4				Q	D Goldberg	6	6
	Q	D Goldberg	6	6											Q	D Goldberg	5	2
	Q	D Montes de Oca	2	2												T Högstedt	7	6
		T Högstedt	6	6					T Högstedt	0	6	7
		L Scott	1	2				2	P Annacone	6	2	5
	2	P Annacone	6	6

• Main draw