Singles
1990 BP National Championships
1989 Champion	Kelly Evernden
Champion	Emilio Sánchez
Runner-up	Richey Reneberg
Score	6–7(3–7), 6–4, 4–6, 6–4, 6–1

Kelly Evernden was the defending champion but lost in the first round to Lars-Anders Wahlgren.

Emilio Sánchez won in the final 6–7^(3–7), 6–4, 4–6, 6–4, 6–1 against Richey Reneberg.

Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.

Draw

Final

	Final
	1	Emilio Sánchez	63	6	4	6	6
	8	Richey Reneberg	77	4	6	4	1

Section 1

	First round							Second round							Quarterfinals							Semifinals
	1	E Sánchez	4	6	6
	WC	S Guy	6	4	1			1	E Sánchez	4	6	7
	WC	B Steven	5	4					L Jonsson	6	3	5
		L Jonsson	7	6											1	E Sánchez	6	6
		R Fromberg	77	6												R Fromberg	4	3
		O Delaître	65	1					R Fromberg	6	6
		J Wöhrmann	3	710	0			7	P Chamberlin	3	4
	7	P Chamberlin	6	68	6																	1	E Sánchez	7	6
	3	M Gustafsson	1	5																		6	P Canè	5	2
		G Bloom	6	7					G Bloom	6	4	6
		M Zoecke	3	2					V Paloheimo	4	6	4
		V Paloheimo	6	6												G Bloom	61	6	3
	WC	B Derlin	6	5	6										6	P Canè	77	4	6
	Q	A Rahunen	3	7	3			WC	B Derlin	61	4
		R Krishnan	4	7	3			6	P Canè	77	6
	6	P Canè	6	5	6

Section 2

	First round							Second round							Quarterfinals							Semifinals
	6	J Sánchez	3	4
		J Anderson	6	6					J Anderson	3	6	3
	Q	F Clavet	2	3					K Nováček	6	4	6
		K Nováček	6	6												K Nováček	6	6
		G Connell	5	2												L-A Wahlgren	3	1
		J Bates	7	6					J Bates	4	77	3
		L-A Wahlgren	3	77	77				L-A Wahlgren	6	65	6
	4	K Evernden	6	63	65																		K Nováček	77	4	0
	8	R Reneberg	6	4	7																	8	R Reneberg	64	6	6
	Q	S Casal	3	6	5			8	R Reneberg	6	6
		D Goldie	3	2					C Bergström	4	3
		C Bergström	6	6											8	R Reneberg	2	6	6
		T Högstedt	5	77	6										2	A Chesnokov	6	0	0
	Q	S Matsuoka	7	64	2				T Högstedt	61	63
		M Wostenholme	5	6	1			2	A Chesnokov	77	77
	2	A Chesnokov	7	2	6

References

• 1990 BP National Championships Draw