Doubles
1990 Norstar Bank Hamlet Challenge Cup
Final
Champions	Guy Forget Jakob Hlasek
Runners-up	Udo Riglewski Michael Stich
Score	2–6, 6–3, 6–4
Details
Draw	16
Seeds	4
Events
Singles Doubles
← 1989 · Norstar Bank Hamlet Challenge Cup · 1991 →

Guy Forget and Jakob Hlasek won in the final 2–6, 6–3, 6–4, against Udo Riglewski and Michael Stich.^[1]

	First round							Quarterfinals							Semifinals							Final
	1	G Forget J Hlasek	6	7
		B Becker E Jelen	2	6				1	G Forget J Hlasek	6	6
		T Nelson B Shelton	6	6	7				T Nelson B Shelton	4	4
		N Borwick D Lewis	7	4	6										1	G Forget J Hlasek	6	2	7
	4	S Bruguera G Ivanišević	5	7	6											J Brown S Melville	2	6	6
		O Delaître J-P Fleurian	7	6	3			4	S Bruguera G Ivanišević	7	3	3
		J Brown S Melville	5	7	6				J Brown S Melville	6	6	6
		D Burke R Schmidt	7	6	3																	1	G Forget J Hlasek	2	6	6
		P Haarhuis M Schapers	6	4	7																	2	U Riglewski M Stich	6	3	4
		J Carlsson J Svensson	3	6	6				P Haarhuis M Schapers	4	6	7
		P Doohan S Youl	4	4				3	N Broad G Muller	6	3	6
	3	N Broad G Muller	6	6												P Haarhuis M Schapers	4	4
		E Amend J Arias	6	6	6										2	U Riglewski M Stich	6	6
		L Jensen M Jensen	7	3	4				E Amend J Arias	6	4
		G Bloom B Taróczy	4	6				2	U Riglewski M Stich	7	6
	2	U Riglewski M Stich	6	7

• ITF tournament draw