2020 Main
Central Division
| Pl | W | D | L | PCT | |||
| 1 | Yomiuri Giants | 120 | 67 | 8 | 45 | 532:421 | 0.592 |
| 2 | Hanshin Tigers | 120 | 60 | 7 | 53 | 494:460 | 0.529 |
| 3 | Chunichi Dragons | 120 | 60 | 5 | 55 | 429:489 | 0.521 |
| 4 | Yokohama BayStars | 120 | 56 | 6 | 58 | 516:474 | 0.492 |
| 5 | Hiroshima Carp | 120 | 52 | 12 | 56 | 523:529 | 0.483 |
| 6 | Yakult Swallows | 120 | 41 | 10 | 69 | 468:589 | 0.383 |
Pacific Division
| Pl | W | D | L | PCT | |||
| 1 | Fukuoka S. Hawks | 120 | 73 | 5 | 42 | 531:389 | 0.629 |
| 2 | Chiba Lotte Marines | 120 | 60 | 3 | 57 | 461:479 | 0.513 |
| 3 | Seibu Lions | 120 | 58 | 4 | 58 | 479:543 | 0.500 |
| 4 | Rakuten Gold. Eagles | 120 | 55 | 8 | 57 | 557:522 | 0.492 |
| 5 | Nippon Ham Fighters | 120 | 53 | 5 | 62 | 493:528 | 0.463 |
| 6 | Orix Buffaloes | 120 | 45 | 7 | 68 | 442:502 | 0.404 |
Promotion ~ NPB (Play Offs: Semi~finals)
Promotion ~ NPB (Play Offs: Quarter~finals)
2020 Play Offs
Semi-finals
| 1 | Yomiuri Giants (1) | Bye | |
| 2 | Fukuoka S. Hawks (1) | Chiba Lotte Marines (2) | 3 : 0 |
Final
| 1 | Yomiuri Giants (1) | Fukuoka S. Hawks (1) | 0 : 4 |
2020 Pre-season
| Pl | W | D | L | PCT | |||
| 1 | Seibu Lions | 19 | 14 | 2 | 3 | 106:68 | 0.789 |
| 2 | Rakuten Gold. Eagles | 25 | 15 | 3 | 7 | 127:88 | 0.660 |
| 3 | Hanshin Tigers | 23 | 12 | 5 | 6 | 89:101 | 0.630 |
| 4 | Fukuoka S. Hawks | 24 | 14 | 2 | 8 | 122:80 | 0.625 |
| 5 | Yokohama BayStars | 25 | 12 | 4 | 9 | 112:99 | 0.560 |
| 6 | Nippon Ham Fighters | 26 | 12 | 5 | 9 | 108:105 | 0.558 |
| 7 | Chunichi Dragons | 25 | 10 | 2 | 13 | 87:123 | 0.440 |
| 8 | Hiroshima Carp | 23 | 9 | 2 | 12 | 108:117 | 0.435 |
| 9 | Orix Buffaloes | 25 | 7 | 6 | 12 | 98:110 | 0.400 |
| 10 | Chiba Lotte Marines | 22 | 6 | 4 | 12 | 84:103 | 0.364 |
| 11 | Yakult Swallows | 24 | 6 | 3 | 15 | 78:106 | 0.313 |
| 12 | Yomiuri Giants | 27 | 5 | 6 | 16 | 108:127 | 0.296 |
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