Other basketball leagues in 1970:    
NBA
Semi-Finals
Division
Finals
IND 4
CAR 0
KY 4
NYN 3
DEN 4
WAS 3
DAL 2
LA 4
IND 4
KY 1
DEN 1
LA 4
IND 4
LA 2
Champ
IND
1969-70 ABA Champion Indiana Pacers

Division Semifinals

Best of 7-game series
DateAwayScoreHomeSeries
4/17 Los Angeles 115-103 Dallas LA 1-0
4/18 Los Angeles 121-129 Dallas Tied 1-1
4/20 Dallas 116-104 Los Angeles DAL 2-1
4/22 Dallas 138-144 Los Angeles Tied 2-2
4/24 Los Angeles 146-139 Dallas LA 3-2
4/26 Dallas 123-124 Los Angeles LA 4-2

Division Semifinals

Best of 7-game series
DateAwayScoreHomeSeries
4/17 Washington 111-130 Denver DEN 1-0
4/18 Washington 133-143 Denver DEN 2-0
4/19 Denver 120-125 Washington DEN 2-1
4/22 Denver 114-131 Washington Tied 2-2
4/23 Washington 110-132 Denver DEN 3-2
4/25 Denver 111-116 Washington Tied 3-3
4/28 Washington 119-143 Denver DEN 4-3

Division Semifinals

Best of 7-game series
DateAwayScoreHomeSeries
4/17 New York 122-118
OT
Kentucky NYN 1-0
4/18 New York 111-113 Kentucky Tied 1-1
4/19 Kentucky 99-107 New York NYN 2-1
4/22 Kentucky 128-101 New York Tied 2-2
4/26 New York 127-112 Kentucky NYN 3-2
4/28 Kentucky 116-113 New York Tied 3-3
4/29 New York 101-112 Kentucky KY 4-3

Division Semifinals

Best of 7-game series
DateAwayScoreHomeSeries
4/18 Carolina 105-123 Indiana IND 1-0
4/19 Carolina 98-103 Indiana IND 2-0
4/22 Indiana 115-106 Carolina IND 3-0
4/24 Indiana 110-106 Carolina IND 4-0

Division Finals

Best of 7-game series
DateAwayScoreHomeSeries
4/30 Los Angeles 113-123
OT
Denver DEN 1-0
5/1 Los Angeles 114-105 Denver Tied 1-1
5/4 Denver 113-119 Los Angeles LA 2-1
5/5 Denver 110-114 Los Angeles LA 3-1
5/9 Los Angeles 109-107 Denver LA 4-1

Division Finals

Best of 7-game series
DateAwayScoreHomeSeries
5/1 Kentucky 114-110
OT
Indiana KY 1-0
5/2 Kentucky 110-121 Indiana Tied 1-1
5/3 Indiana 114-110 Kentucky IND 2-1
5/5 Indiana 111-103 Kentucky IND 3-1
5/6 Kentucky 103-117 Indiana IND 4-1

ABA Finals

Best of 7-game series
DateAwayScoreHomeSeries
5/15 Los Angeles 93-109 Indiana IND 1-0
5/17 Los Angeles 111-114 Indiana IND 2-0
5/18 Indiana 106-109 Los Angeles IND 2-1
5/19 Indiana 142-120 Los Angeles IND 3-1
5/23 Los Angeles 117-113
OT
Indiana IND 3-2
5/25 Indiana 111-107 Los Angeles IND 4-2