Dan Goldie was the defending champion but did not compete that year.

Robert Van't Hof won in the final 7–5, 6–4 against Brad Drewett.^[1]

	Semifinals							Final
	1	John Fitzgerald	2	2
	Q	Robert Van't Hof	6	6
								Q	Robert Van't Hof	7	6
								6	Brad Drewett	5	4
	6	Brad Drewett	6	7	6
	2	Kelly Evernden	7	6	3

	First round							Second round							Quarterfinals							Semifinals
	1	J Fitzgerald	7	6
		J Goodall	6	0				1	J Fitzgerald	7	7
	WC	J-S Yoo	2	6	7			WC	J-S Yoo	6	5
		B Dyke	6	1	6										1	J Fitzgerald	6	3	6
		T Svantesson	4	6	2											J-P Fleurian	2	6	3
		J-P Fleurian	6	3	6				J-P Fleurian	6	7
		M Anger	7	7					M Anger	3	5
	8	C Saceanu	6	6																		1	J Fitzgerald	2	2
	3	S Davis	4	4																		Q	R Van't Hof	6	6
		T Nydahl	6	6					T Nydahl	7	6	6
		A Castle	3	6	6			Q	R Van't Hof	5	7	7
	Q	R Van't Hof	6	4	7										Q	R Van't Hof	6	6
	WC	B-S Kim	7	7											WC	B-S Kim	3	4
		P Wekesa	6	5				WC	B-S Kim	6	6	6
		L Shiras	7	3	6				L Shiras	4	7	1
	5	G Layendecker	6	6	1

	First round							Second round							Quarterfinals							Semifinals
	6	B Drewett	7	6
	Q	L Scott	5	4				6	B Drewett	6	6
		J Carlsson	3	2					S Guy	4	4
		S Guy	6	6											6	B Drewett	6	7	7
		V Amritraj	6	6												V Amritraj	7	5	6
		G Pozzi	3	3					V Amritraj	6	6
		N Pereira	6	6					N Pereira	3	2
	4	O Rahnasto	3	4																		6	B Drewett	6	7	6
	7	P Chamberlin	7	6																		2	K Evernden	7	6	3
		Y Doumbia	5	2				7	P Chamberlin	6	7
		M Kratzmann	6	6					M Kratzmann	1	5
	Q	Yoong M-k	1	2											7	P Chamberlin	6	6	5
	Q	J Bates	2	2											2	K Evernden	4	7	7
		J Canter	6	6					J Canter	3	2
	WC	Roh G-t	3	4				2	K Evernden	6	6
	2	K Evernden	6	6

• 1989 Seoul Open draw