Singles
1988 Donnay Indoor Championships
Champion	Henri Leconte
Runner-up	Jakob Hlasek
Score	7–6, 7–6, 6–4

Mats Wilander was the defending champion, but did not participate this year.

Henri Leconte won the title, defeating Jakob Hlasek 7–6, 7–6, 6–4 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Henri Leconte	6	2	6
	4	John Fitzgerald	4	6	2
								1	Henri Leconte	7	7	6
								2	Jakob Hlasek	6	6	4
		Patrik Kühnen	6	0r
	2	Jakob Hlasek	7	3

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	H Leconte	7	6
		D Nargiso	6	2				1	H Leconte	6	6
		E Masso	6	6	7				E Masso	3	4
		T Šmid	7	3	6										1	H Leconte	6	1	6
	Q	J Vekemans	3	6											8	W Masur	4	6	3
		M Westphal	6	7					M Westphal	2	7	4
		M Vajda	7	4	0			8	W Masur	6	5	6
	8	W Masur	6	6	6																	1	H Leconte	6	2	6
	4	J Fitzgerald	6	6																		4	J Fitzgerald	4	6	2
		L Pimek	3	4				4	J Fitzgerald	6	6
	Q	X Daufresne	1	2				Q	K Demuynck	4	4
	Q	K Demuynck	6	6											4	J Fitzgerald	6	3	6
	WC	B Wuyts	3	4												E Jelen	1	6	0
		E Jelen	6	6					E Jelen	4	6	7
		M Oosting	3	3				5	R Agénor	6	4	5
	5	R Agénor	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	M Šrejber	6	6
	LL	G Vanderveeren	4	4				6	M Šrejber	4	6	6
		É Winogradsky	6	6					É Winogradsky	6	3	7
		D Cassidy	4	4												É Winogradsky	4	2
		J Potier	6	4												P Kühnen	6	6
		P Kühnen	7	6					P Kühnen	6	7
		C Saceanu	6	7					C Saceanu	3	6
	3	J Svensson	2	5																			P Kühnen	6	0r
	7	M Gustafsson	6	3																		2	J Hlasek	7	3
	Q	R Barlow	7	6				Q	R Barlow	3	0
		T Nijssen	6	6					T Nijssen	6	6
	WC	M Bahrami	3	3												T Nijssen	5	4
		A Boetsch	7	1	4										2	J Hlasek	7	6
		G Layendecker	6	6	6				G Layendecker	6	6	4
		A Tous	1	5				2	J Hlasek	4	7	6
	2	J Hlasek	6	7

References

• Main Draw