Men's singles
1988 OTB Open
Champion	Tim Mayotte
Runner-up	Johan Kriek
Score	5–7, 6–3, 6–2
Draw	32
Seeds	8

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.

Seeds

Draw

Finals

	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

Top half

	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

Bottom half

	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

External links

• Main draw