Doubles
1970 ITPA Open Indoor
Champion	Ilie Năstase Ion Țiriac
Runner-up	Arthur Ashe Dennis Ralston
Score	6–4, 6–3

Tom Okker and Marty Riessen were the defending champions, but lost in the second round this year.

Ilie Năstase and Ion Țiriac successfully defended their title, defeating Arthur Ashe and Dennis Ralston 6–4, 6–3 in the final.

Seeds

Draw

Finals

	Semifinals							Final
		Jim McManus Jim Osborne	1	3
		Ilie Năstase Ion Țiriac	6	6
									Ilie Năstase Ion Țiriac	6	6
									Arthur Ashe Dennis Ralston	4	3
		Arthur Ashe Dennis Ralston	7	4	6
		Andrés Gimeno Manuel Santana	5	6	3

Top half

	First round							Second round							Quarterfinals							Semifinals
								2	T Okker M Riessen	4	6	4
									J McManus J Osborne	6	2	5
																J McManus J Osborne	6	5	6
																EB Buchholz R Moore	2	7	1
									EB Buchholz R Moore	4	6	5
									G Battrick B Carmichael	6	4	3
																							J McManus J Osborne	1	3
		I Năstase I Țiriac	6	6																			I Năstase I Țiriac	6	6
		J Borowiak H Rahim	4	4					I Năstase I Țiriac	6	4	5
		C Richey R Taylor	6	2	6				C Richey R Taylor	3	6	4
		M Cox G Stilwell	2	6	4											I Năstase I Țiriac	6	4	6
		R Barth T Gorman	6	6												T Koch P Lall	3	6	4
		Donald Lutz B Martin	1	1					R Barth T Gorman	5	7	2
		T Koch P Lall	7	5	5				T Koch P Lall	7	5	5
	4	K Rosewall F Stolle	5	7	3

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	3	R Lutz S Smith	6	6
		H-J Plötz R Russell	2	1				3	R Lutz S Smith	4	3
		A Ashe D Ralston	7	6					A Ashe D Ralston	6	6
		I El Shafei T Ulrich	5	3												A Ashe D Ralston	7	6
		I Buding J Fillol	4	6	5											R Emerson R Laver	5	4
		Ž Franulović N Pilić	6	3	3				I Buding J Fillol	1	4
									R Emerson R Laver	6	6
																							A Ashe D Ralston	7	4	6
																							A Gimeno M Santana	5	6	3
									C Graebner R Holmberg	5	5
									A Gimeno M Santana	7	7
																A Gimeno M Santana	6	5	6
																J Kodeš J Loyo-Mayo	3	7	3
									J Kodeš J Loyo-Mayo	7	3	5
								1	J Newcombe T Roche	5	6	4

References

• Draw