| Iwate Big Bulls Games/Schedule |
| Sep. 28, 2019 | Round 2 (Regular Season) | Iwate Big Bulls - Aisin AW | 69-80  |
| Sep. 29, 2019 | Round 3 (Regular Season) | Iwate Big Bulls - Aisin AW | 76-86 |
| Oct. 5, 2019 | Round 4 (Regular Season) | Iwate Big Bulls - Saitama B. | 72-68  |
| Oct. 6, 2019 | Round 4 (Regular Season) | Iwate Big Bulls - Saitama B. | 64-75 |
| Oct. 16, 2019 | Round 6 (Regular Season) | Tokyo HT - Iwate Big Bulls | 68-73 |
| Oct. 15, 2019 | Round 6 (Regular Season) | Tokyo HT - Iwate Big Bulls | 62-69 |
| Oct. 19, 2019 | Round 7 (Regular Season) | Iwate Big Bulls - Okayama | 80-66 |
| Oct. 20, 2019 | Round 8 (Regular Season) | Iwate Big Bulls - Okayama | 90-83 |
| Oct. 26, 2019 | Round 9 (Regular Season) | Gifu Swoops - Iwate Big Bulls | 73-74 |
| Oct. 27, 2019 | Round 10 (Regular Season) | Gifu Swoops - Iwate Big Bulls | 67-76 |
| Nov. 2, 2019 | Round 11 (Regular Season) | Iwate Big Bulls - Kagoshima | 82-74 |
| Nov. 3, 2019 | Round 12 (Regular Season) | Iwate Big Bulls - Kagoshima | 64-73 |
| Nov. 9, 2019 | Round 13 (Regular Season) | Toyoda Gosei - Iwate Big Bulls | 69-76 |
| Nov. 10, 2019 | Round 14 (Regular Season) | Toyoda Gosei - Iwate Big Bulls | 72-83 |
| Nov. 14, 2019 | Round 15 (Regular Season) | Saga B. - Iwate Big Bulls | 58-75 |
| Nov. 15, 2019 | Round 15 (Regular Season) | Saga B. - Iwate Big Bulls | 59-69 |
| Nov. 23, 2019 | Round 17 (Regular Season) | Iwate Big Bulls - Shizuoka | 82-71 |
| Nov. 24, 2019 | Round 18 (Regular Season) | Iwate Big Bulls - Shizuoka | 96-63 |
| Dec. 7, 2019 | Round 19 (Regular Season) | Tokyo CR - Iwate Big Bulls | 60-91 |
| Dec. 6, 2019 | Round 19 (Regular Season) | Tokyo CR - Iwate Big Bulls | 67-83 |
| Dec. 14, 2019 | Round 21 (Regular Season) | Iwate Big Bulls - Kanazawa | 108-68 |
| Dec. 15, 2019 | Round 22 (Regular Season) | Iwate Big Bulls - Kanazawa | 92-81 |
| Dec. 21, 2019 | Round 23 (Regular Season) | Saitama B. - Iwate Big Bulls | 77-94 |
| Dec. 22, 2019 | Round 24 (Regular Season) | Saitama B. - Iwate Big Bulls | 77-91 |
| Dec. 28, 2019 | Round 25 (Regular Season) | Iwate Big Bulls - Tokyo HT | 70-67 |
| Dec. 29, 2019 | Round 26 (Regular Season) | Iwate Big Bulls - Tokyo HT | 69-79 |
| Jan. 8, 2020 | Round 28 (Regular Season) | Okayama - Iwate Big Bulls | 70-97 |
| Jan. 7, 2020 | Round 28 (Regular Season) | Okayama - Iwate Big Bulls | 61-73 |
| Jan. 18, 2020 | Round 29 (Regular Season) | Iwate Big Bulls - Gifu Swoops | 75-58 |
| Jan. 19, 2020 | Round 30 (Regular Season) | Iwate Big Bulls - Gifu Swoops | 92-72 |
| Jan. 25, 2020 | Round 31 (Regular Season) | Kagoshima - Iwate Big Bulls | 78-63 |
| Jan. 26, 2020 | Round 32 (Regular Season) | Kagoshima - Iwate Big Bulls | 73-66 |
| Feb. 1, 2020 | Round 33 (Regular Season) | Iwate Big Bulls - Toyoda Gosei | 62-71 |
| Feb. 2, 2020 | Round 34 (Regular Season) | Iwate Big Bulls - Toyoda Gosei | 95-96 |
| Feb. 8, 2020 | Round 35 (Regular Season) | Iwate Big Bulls - Saga B. | 75-94 |
| Feb. 9, 2020 | Round 36 (Regular Season) | Iwate Big Bulls - Saga B. | 70-78 |
| Feb. 15, 2020 | Round 37 (Regular Season) | Shizuoka - Iwate Big Bulls | 59-86 |
| Feb. 16, 2020 | Round 38 (Regular Season) | Shizuoka - Iwate Big Bulls | 54-62 |
| Feb. 22, 2020 | Round 39 (Regular Season) | Iwate Big Bulls - Tokyo CR | 99-80 |
| Feb. 23, 2020 | Round 40 (Regular Season) | Iwate Big Bulls - Tokyo CR | 92-90 |
