| Team | G | W | L | T | PCT | GB |
| Home | Road |
| vs
L | vs
H | vs
F | vs
Bs | vs
M | vs
E | Int |  | Saitama Seibu
Lions |
| 143 | 88 | 53 | 2 | .624 | -- |
45-24
(2) | 43-29 | *** | 13-12 | 15-10 |
14-9
(2) | 17-8 | 19-6 | 10-8 |  | Fukuoka SoftBank
Hawks |
| 143 | 82 | 60 | 1 | .577 | 6.5 |
40-30
(1) | 42-30 | 12-13 | *** | 12-13 | 16-9 |
15-9
(1) | 16-9 | 11-7 |  | Hokkaido Nippon-Ham
Fighters |
| 143 | 74 | 66 | 3 | .529 | 13.5 |
40-29
(2) |
34-37
(1) | 10-15 | 13-12 | *** | 13-12 |
15-9
(1) |
13-10
(2) | 10-8 |  | ORIX
Buffaloes |
| 143 | 65 | 73 | 5 | .471 | 21.5 |
33-37
(2) |
32-36
(3) |
9-14
(2) | 9-16 | 12-13 | *** |
14-10
(1) |
10-14
(1) |
11-6
(1) |  | Chiba Lotte
Marines |
| 143 | 59 | 81 | 3 | .421 | 28.5 |
28-43
(1) |
31-38
(2) | 8-17 |
9-15
(1) |
9-15
(1) |
10-14
(1) | *** | 12-13 | 11-7 |  | Tohoku Rakuten
Golden Eagles |
| 143 | 58 | 82 | 3 | .414 | 29.5 |
22-50
|
36-32
(3) | 6-19 | 9-16 |
10-13
(2) |
14-10
(1) | 13-12 | *** | 6-12 |
(Interleague) | Team | G | W | L | T | PCT |
| Home | Road |
| vs
C | vs
S | vs
G | vs
DB | vs
D | vs
T | | Saitama Seibu
Lions |
| 18 | 10 | 8 | 0 | .556 |
5-4
| 5-4 | 2-1 | 1-2 | 1-2 | 2-1 | 2-1 | 2-1 | | Fukuoka SoftBank
Hawks |
| 18 | 11 | 7 | 0 | .611 |
6-3
| 5-4 | 2-1 | 1-2 | 1-2 | 3-0 | 1-2 | 3-0 | | Hokkaido Nippon-Ham
Fighters |
| 18 | 10 | 8 | 0 | .556 |
6-3
| 4-5 | 2-1 | 2-1 | 2-1 | 0-3 | 2-1 | 2-1 | | ORIX
Buffaloes |
| 18 | 11 | 6 | 1 | .647 |
7-2
|
4-4
(1) | 3-0 | 1-2 | 2-1 | 2-1 | 2-1 |
1-1
(1) | | Chiba Lotte
Marines |
| 18 | 11 | 7 | 0 | .611 |
6-3
| 5-4 | 2-1 | 1-2 | 2-1 | 2-1 | 2-1 | 2-1 | | Tohoku Rakuten
Golden Eagles |
| 18 | 6 | 12 | 0 | .333 |
3-6
| 3-6 | 0-3 | 0-3 | 2-1 | 1-2 | 2-1 | 1-2 |
|
2018 Pacific League 
