| May 3, 2026 Final Score | SeaHorses MikawavsKoshigaya Alphas | 75–98 | 24 | 21 | 4 | 6 | - | - | 3-4 | 5-5 | - |
| May 2, 2026 Final Score | SeaHorses MikawavsKoshigaya Alphas | 83–75 | 34 | 11 | 6 | 4 | - | - | 1-4 | 3-5 | - |
| Apr 26, 2026 Final Score | Koshigaya AlphasvsBrave Thunders | 89–79 | 27 | 15 | 3 | 4 | - | - | 4-7 | 1-6 | - |
| Apr 25, 2026 Final Score | Koshigaya AlphasvsBrave Thunders | 90–84 | 26 | 15 | 3 | 5 | - | - | 3-5 | 2-3 | - |
| Apr 22, 2026 Final Score | SendaivsKoshigaya Alphas | 102–78 | 24 | 8 | 4 | 3 | - | - | 2-6 | 0-2 | - |
| Apr 19, 2026 Final Score | Koshigaya AlphasvsAlvark | 69–79 | 27 | 15 | 7 | 4 | - | - | 1-3 | 2-5 | - |
| Apr 18, 2026 Final Score | Koshigaya AlphasvsAlvark | 66–73 | 31 | 14 | 2 | 4 | - | - | 6-11 | 0-4 | - |
| Apr 15, 2026 Final Score | Ibaraki RobotsvsKoshigaya Alphas | 70–87 | 23 | 5 | 8 | 4 | - | - | 0-1 | 1-3 | - |
| Apr 12, 2026 Final Score | AkitavsKoshigaya Alphas | 87–85 | 32 | 19 | 6 | 4 | - | - | 5-6 | 2-9 | - |
| Apr 11, 2026 Final Score | AkitavsKoshigaya Alphas | 94–85 | 21 | 11 | 3 | 5 | - | - | 0-1 | 3-7 | - |
| Apr 8, 2026 Final Score | ChibavsKoshigaya Alphas | 92–78 | 22 | 6 | 2 | 5 | - | - | 3-4 | 0-1 | - |
| Apr 5, 2026 Final Score | Koshigaya AlphasvsOsaka | 84–77 | 29 | 15 | 7 | 4 | - | - | 1-6 | 3-9 | - |
| Apr 4, 2026 Final Score | Koshigaya AlphasvsOsaka | 78–84 | 34 | 18 | 1 | 7 | - | - | 5-9 | 2-6 | - |
| Apr 1, 2026 Final Score | Brave ThundersvsKoshigaya Alphas | 89–69 | 23 | 5 | 1 | 1 | - | - | 2-5 | 0-5 | - |
| Mar 29, 2026 Final Score | YokohamavsKoshigaya Alphas | 96–93 | 35 | 18 | 3 | 4 | - | - | 1-4 | 5-9 | - |
| Mar 28, 2026 Final Score | YokohamavsKoshigaya Alphas | 78–70 | 27 | 20 | 1 | 4 | - | - | 6-7 | 2-5 | - |
| Mar 15, 2026 Final Score | Koshigaya AlphasvsDiamond Dolphins | 80–109 | 28 | 24 | 4 | 2 | - | - | 4-9 | 4-5 | - |
| Mar 14, 2026 Final Score | Koshigaya AlphasvsDiamond Dolphins | 72–101 | 22 | 5 | 3 | 2 | - | - | 2-5 | 0-3 | - |
| Mar 11, 2026 Final Score | Koshigaya AlphasvsToyama | 92–85 | 36 | 15 | 4 | 11 | - | - | 1-2 | 2-7 | - |
| Mar 8, 2026 Final Score | Hiroshima D.vsKoshigaya Alphas | 99–65 | 27 | 5 | 2 | 3 | - | - | 1-3 | 1-5 | - |
| Mar 7, 2026 Final Score | Hiroshima D.vsKoshigaya Alphas | 92–89 | 31 | 25 | 4 | 4 | - | - | 6-7 | 4-4 | - |
| Feb 15, 2026 Final Score | Koshigaya AlphasvsSun Rockers Shibuya | 62–69 | 31 | 7 | 8 | 8 | - | - | 1-3 | 0-1 | - |
| Feb 14, 2026 Final Score | Koshigaya AlphasvsSun Rockers Shibuya | 93–75 | 30 | 19 | 2 | 4 | - | - | 3-7 | 4-4 | - |
| Feb 8, 2026 Final Score | Koshigaya AlphasvsSendai | 67–76 | 24 | 14 | 1 | 4 | - | - | 4-9 | 2-4 | - |
| Feb 7, 2026 Final Score | Koshigaya AlphasvsSendai | 87–79 | 22 | 9 | 2 | 6 | - | - | 2-3 | 1-2 | - |
| Feb 1, 2026 Final Score | HokkaidovsKoshigaya Alphas | 80–81 | 33 | 23 | 5 | 3 | - | - | 2-4 | 6-11 | - |
| Jan 31, 2026 Final Score | HokkaidovsKoshigaya Alphas | 88–81 | 29 | 16 | 4 | 5 | - | - | 1-3 | 3-7 | - |
| Jan 28, 2026 Final Score | Koshigaya AlphasvsYokohama | 63–92 | 32 | 10 | 7 | 5 | - | - | 3-5 | 0-3 | - |
| Jan 25, 2026 Final Score | Ibaraki RobotsvsKoshigaya Alphas | 81–88 | 33 | 14 | 5 | 4 | - | - | 4-5 | 2-4 | - |
| Jan 24, 2026 Final Score | Ibaraki RobotsvsKoshigaya Alphas | 81–83 | 30 | 11 | 9 | 6 | - | - | 3-4 | 1-5 | - |
| Jan 4, 2026 Final Score | OsakavsKoshigaya Alphas | 76–58 | 37 | 18 | 5 | 9 | - | - | 6-9 | 1-5 | - |
| Jan 3, 2026 Final Score | OsakavsKoshigaya Alphas | 86–56 | 32 | 17 | 5 | 3 | - | - | 4-5 | 3-7 | - |
| Dec 28, 2025 Final Score | Koshigaya AlphasvsUtsunomiya Brex | 67–80 | 32 | 6 | 5 | 3 | - | - | 2-8 | 0-4 | - |
| Dec 27, 2025 Final Score | Koshigaya AlphasvsUtsunomiya Brex | 61–86 | 29 | 14 | 3 | 3 | - | - | 4-7 | 2-4 | - |
| Dec 24, 2025 Final Score | Koshigaya AlphasvsSendai | 90–83 | 31 | 21 | 5 | 6 | - | - | 5-8 | 3-6 | - |
| Dec 21, 2025 Final Score | ShigavsKoshigaya Alphas | 83–80 | 35 | 28 | 2 | 4 | - | - | 5-8 | 5-9 | - |
| Dec 20, 2025 Final Score | ShigavsKoshigaya Alphas | 80–73 | 32 | 16 | 4 | 1 | - | - | 4-8 | 1-5 | - |
| Dec 14, 2025 Final Score | GunmavsKoshigaya Alphas | 93–69 | 20 | 16 | 2 | 5 | - | - | 5-5 | 2-5 | - |
| Dec 13, 2025 Final Score | GunmavsKoshigaya Alphas | 87–54 | 28 | 19 | 4 | 0 | - | - | 5-7 | 2-9 | - |
| Dec 10, 2025 Final Score | Koshigaya AlphasvsIbaraki Robots | 88–72 | 22 | 4 | 2 | 4 | - | - | 2-5 | 0-5 | - |
| Dec 7, 2025 Final Score | NagasakivsKoshigaya Alphas | 99–76 | 25 | 10 | 6 | 3 | - | - | 2-5 | 2-4 | - |
| Dec 6, 2025 Final Score | NagasakivsKoshigaya Alphas | 91–58 | 25 | 8 | 11 | 1 | - | - | 2-7 | 0-4 | - |
| Nov 16, 2025 Final Score | Koshigaya AlphasvsNeoPhoenix | 83–80 | 32 | 16 | 5 | 4 | - | - | 0-1 | 3-8 | - |
| Nov 15, 2025 Final Score | Koshigaya AlphasvsNeoPhoenix | 83–75 | 26 | 10 | 3 | 2 | - | - | 2-2 | 2-6 | - |
| Nov 12, 2025 Final Score | Koshigaya AlphasvsChiba | 89–90 | 34 | 29 | 7 | 4 | - | - | 4-6 | 6-11 | - |
| Nov 9, 2025 Final Score | Nagoya Fighting EaglesvsKoshigaya Alphas | 64–82 | 23 | 11 | 5 | 3 | - | - | 2-4 | 2-6 | - |
| Nov 8, 2025 Final Score | Nagoya Fighting EaglesvsKoshigaya Alphas | 85–69 | 27 | 18 | 5 | 2 | - | - | 2-3 | 4-5 | - |
| Nov 5, 2025 Final Score | Koshigaya AlphasvsBrave Thunders | 76–65 | 28 | 15 | 4 | 2 | - | - | 1-6 | 3-4 | - |
| Nov 2, 2025 Final Score | Koshigaya AlphasvsRyukyu | 59–77 | 31 | 12 | 3 | 4 | - | - | 3-6 | 2-9 | - |
| Nov 1, 2025 Final Score | Koshigaya AlphasvsRyukyu | 65–68 | 28 | 12 | 3 | 5 | - | - | 1-3 | 2-7 | - |