| Team | G | W | L | T | PCT | GB |
| Home | Road |
| vs
H | vs
M | vs
L | vs
E | vs
F | vs
B |  | Fukuoka SoftBank
Hawks |
| 120 | 73 | 42 | 5 | .635 | -- |
40-19
(1) |
33-23
(4) | *** |
11-12
(1) |
13-10
(1) | 15-9 |
17-6
(1) |
17-5
(2) |  | Chiba Lotte
Marines |
| 120 | 60 | 57 | 3 | .513 | 14.0 |
35-23
(2) |
25-34
(1) |
12-11
(1) | *** | 9-15 |
8-15
(1) | 13-11 |
18-5
(1) |  | Saitama Seibu
Lions |
| 120 | 58 | 58 | 4 | .500 | 15.5 |
35-22
(3) |
23-36
(1) |
10-13
(1) | 15-9 | *** |
12-10
(2) | 10-14 |
11-12
(1) |  | Tohoku Rakuten
Golden Eagles |
| 120 | 55 | 57 | 8 | .491 | 16.5 |
31-25
(4) |
24-32
(4) | 9-15 |
15-8
(1) |
10-12
(2) | *** |
11-10
(3) |
10-12
(2) |  | Hokkaido Nippon-Ham
Fighters |
| 120 | 53 | 62 | 5 | .461 | 20.0 |
31-26
(3) |
22-36
(2) |
6-17
(1) | 11-13 | 14-10 |
10-11
(3) | *** |
12-11
(1) |  | ORIX
Buffaloes |
| 120 | 45 | 68 | 7 | .398 | 27.0 |
26-31
(3) |
19-37
(4) |
5-17
(2) |
5-18
(1) |
12-11
(1) |
12-10
(2) |
11-12
(1) | *** |
|
2020 Pacific League 
