Doubles
1990 Australian Men's Hardcourt Championships
Final
Champions	Andrew Castle Nduka Odizor
Runners-up	Alexander Mronz Michiel Schapers
Score	7–6, 6–2
Details
Draw	16
Seeds	4
Events
Singles Doubles
← 1989 · Australian Men's Hardcourt Championships · 1991 →

Neil Broad and Stefan Kruger were the defending champions but did not compete that year.

Andrew Castle and Nduka Odizor won in the final 7–6, 6–2 against Alexander Mronz and Michiel Schapers.

	First round							Quarterfinals							Semifinals							Final
	1	T Nijssen M Woodforde	7	7
		P Carter J Fitzgerald	6	5				1	T Nijssen M Woodforde	6	3
		N Kulti M Larsson	4	4					A Castle N Odizor	7	6
		A Castle N Odizor	6	6												A Castle N Odizor	6	7
	3	P Annacone S Cannon	7	6											3	P Annacone S Cannon	4	6
		P Kühnen L Lavalle	5	4				3	P Annacone S Cannon	6	7
		A Mora J Schor	6	6	2				P Haarhuis M Koevermans	4	6
		P Haarhuis M Koevermans	4	7	6																		A Castle N Odizor	7	6
		B Dyke S Youl	6	2																		Q	A Mronz M Schapers	6	2
	Q	A Mronz M Schapers	7	6				Q	A Mronz M Schapers	6	4	7
		G Muller S Warner	6	4				4	U Riglewski M Stich	3	6	6
	4	U Riglewski M Stich	7	6											Q	A Mronz M Schapers	7	6
		G Forget E Winogradsky	6	6	6											G Forget E Winogradsky	6	4
		R Båthman P Henricsson	7	3	4				G Forget E Winogradsky	7	6
		J-P Fleurian C Pioline	1	4				2	G Ivanišević P Korda	6	4
	2	G Ivanišević P Korda	6	6

• Australian Men's Hardcourt Championships Doubles draw