1990 Estoril Open – Men's doubles

This was the first edition of the event.^[1]

Men's doubles
1990 Estoril Open
Champions	Sergio Casal Emilio Sánchez
Runners-up	Omar Camporese Paolo Canè
Score	7–5, 4–6, 7–5
Draw	16
Seeds	4

Main article: 1990 Estoril Open

Sergio Casal and Emilio Sánchez won in the final 7–5, 4–6, 7–5, against Omar Camporese and Paolo Canè.

Seeds

1. Sergio Casal / Emilio Sánchez (champions)
2. Andrés Gómez / Javier Sánchez (quarterfinals)
3. Tomás Carbonell / Karel Nováček (semifinals)
4. Paul Haarhuis / Mark Koevermans (quarterfinals)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Draw

	First round							Quarterfinals							Semifinals							Final
	1	S Casal E Sánchez	6	6
		J Arrese F Clavet	3	2				1	S Casal E Sánchez	77	6
		P Henricsson L Pimek	3	4					D Adams M Vajda	65	2
		D Adams M Vajda	6	6											1	S Casal E Sánchez	6	6
	3	T Carbonell K Nováček	6	6											3	T Carbonell K Nováček	3	4
	WC	S Bruguera N Marques	4	3				3	T Carbonell K Nováček	w/o
		H Jan Davids M Ozer	2	3					M Gorriz K Lubbers
		M Gorriz K Lubbers	6	6																		1	S Casal E Sánchez	7	4	7
		U Riglewski B Uribe	6	3	4																		O Camporese P Canè	5	6	5
		O Camporese P Canè	3	6	6				O Camporese P Canè	w/o
		A Cherkasov F Mordegan	77	2	2			4	P Haarhuis M Koevermans
	4	P Haarhuis M Koevermans	65	6	6											O Camporese P Canè	6	6
	Q	R Azar F Davín	6	2	610											E Masso G Pérez Roldán	4	1
		E Masso G Pérez Roldán	3	6	712				E Masso G Pérez Roldán	4	6	6
		J Cunha Silva J-P Fleurian	6	65	5			2	A Gómez J Sánchez	6	1	4
	2	A Gómez J Sánchez	3	77	7