J. Harper's 2025-2026 game log below shows every game played that season, with points, rebounds, assists, steals, blocks, minutes, field goal attempts, and three-point attempts. Click any game row to view the full box score. StatBallers updates player game logs after every round of fixtures.
| Date | Matchup | Result | MIN | PTS | REB | AST | STL | BLK | FG | 3P | +/- |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 2 | @ Shiga | L 81–88 | 17:11 | 8 | 1 | 3 | — | — | 0/1 | 2/5 | — |
| Apr 26 | vs Altiri Chiba | L 85–87 | 23:47 | 8 | 2 | 3 | — | — | 1/3 | 2/3 | — |
| Apr 25 | vs Altiri Chiba | W 79–69 | 22:23 | 5 | 4 | 3 | — | — | 2/3 | 0/3 | — |
| Apr 22 | vs Utsunomiya Brex | L 68–86 | 24:53 | 12 | 1 | 3 | — | — | 2/3 | 2/5 | — |
| Apr 19 | @ Yokohama | W 70–67 | 22:43 | 13 | 6 | 4 | — | — | 4/4 | 1/3 | — |
| Apr 18 | @ Yokohama | L 60–69 | 20:59 | 7 | 1 | 1 | — | — | 2/2 | 1/1 | — |
| Apr 15 | vs Gunma | L 54–91 | 21:03 | 0 | 2 | 1 | — | — | 0/1 | 0/4 | — |
| Apr 12 | @ Hiroshima D. | W 88–79 | 30:34 | 8 | 2 | 5 | — | — | 1/2 | 2/3 | — |
| Apr 11 | @ Hiroshima D. | L 68–72 | 19:09 | 2 | 0 | 2 | — | — | 1/1 | 0/1 | — |
| Apr 8 | vs Brave Thunders | W 87–73 | 27:17 | 8 | 3 | 7 | — | — | 0/1 | 2/6 | — |
| Apr 5 | vs SeaHorses Mikawa | W 94–84 | 28:32 | 15 | 5 | 8 | — | — | 1/2 | 4/6 | — |
| Apr 4 | vs SeaHorses Mikawa | L 68–73 | 22:08 | 6 | 2 | 5 | — | — | 0/1 | 2/7 | — |
| Apr 1 | @ Shimane | W 87–80 | 21:30 | 6 | 1 | 5 | — | — | 1/1 | 1/5 | — |
| Mar 29 | vs Ryukyu | L 77–83 | 19:06 | 3 | 1 | 2 | — | — | 0/1 | 1/2 | — |
| Mar 28 | vs Ryukyu | L 85–90 | 25:38 | 7 | 4 | 3 | — | — | 2/5 | 1/2 | — |
| Mar 15 | @ Kyoto | L 78–79 | 24:36 | 6 | 5 | 1 | — | — | 3/4 | 0/2 | — |
| Mar 14 | @ Kyoto | L 62–71 | 19:29 | 4 | 1 | 1 | — | — | 2/5 | 0/2 | — |
| Mar 11 | @ Hokkaido | W 90–84 | 18:27 | 9 | 2 | 3 | — | — | 2/3 | 1/3 | — |
| Mar 9 | vs Sendai | L 85–97 | 20:25 | 6 | 3 | 6 | — | — | 0/3 | 2/4 | — |
| Mar 8 | vs Sendai | W 92–82 | 21:02 | 2 | 3 | 7 | — | — | 1/6 | 0/3 | — |
| Feb 15 | @ Koshigaya Alphas | W 69–62 | 13:38 | 6 | 2 | 0 | — | — | 0/1 | 2/6 | — |
| Feb 14 | @ Koshigaya Alphas | L 75–93 | 18:58 | 3 | 1 | 1 | — | — | 0/1 | 1/4 | — |
| Feb 8 | @ Diamond Dolphins | L 59–84 | 21:43 | 9 | 0 | 3 | — | — | 1/2 | 2/6 | — |
| Feb 7 | @ Diamond Dolphins | L 62–72 | 24:46 | 3 | 0 | 2 | — | — | 0/1 | 1/6 | — |
| Feb 1 | @ Brave Thunders | W 73–58 | 28:00 | 5 | 2 | 4 | — | — | 1/1 | 1/6 | — |
| Jan 31 | @ Brave Thunders | L 79–81 | 30:16 | 12 | 4 | 7 | — | — | 3/3 | 1/5 | — |
| Jan 28 | vs Ibaraki Robots | W 77–66 | 19:55 | 4 | 1 | 5 | — | — | 0/2 | 1/5 | — |
| Jan 25 | @ Toyama | W 89–79 | 24:19 | 11 | 1 | 3 | — | — | 1/3 | 3/7 | — |
| Jan 24 | @ Toyama | W 78–75 | 26:30 | 6 | 4 | 7 | — | — | 0/2 | 2/9 | — |
| Jan 4 | vs Nagoya Fighting Eagles | W 95–80 | 29:30 | 5 | 6 | 11 | — | — | 1/2 | 1/4 | — |
| Jan 3 | vs Nagoya Fighting Eagles | W 89–78 | 22:23 | 6 | 3 | 1 | — | — | 0/1 | 2/4 | — |
| Dec 28 | vs Osaka | L 51–78 | 21:18 | 2 | 2 | 4 | — | — | 1/3 | 0/4 | — |
| Dec 27 | vs Osaka | W 73–65 | 24:34 | 9 | 4 | 7 | — | — | 0/0 | 3/7 | — |
| Dec 24 | @ Utsunomiya Brex | L 78–91 | 22:35 | 5 | 2 | 5 | — | — | 0/1 | 1/3 | — |
| Dec 21 | @ Nagasaki | L 71–85 | 24:50 | 7 | 3 | 6 | — | — | 2/2 | 1/3 | — |
| Dec 20 | @ Nagasaki | L 70–102 | 22:48 | 6 | 3 | 5 | — | — | 2/3 | 0/3 | — |
| Dec 14 | vs Chiba | L 70–80 | 27:52 | 7 | 6 | 3 | — | — | 2/4 | 1/4 | — |
| Dec 13 | vs Chiba | L 69–93 | 17:39 | 6 | 1 | 2 | — | — | 0/1 | 2/2 | — |
| Dec 10 | @ Gunma | L 92–94 | 17:14 | 10 | 2 | 5 | — | — | 2/2 | 2/6 | — |
| Dec 7 | vs Hokkaido | L 94–100 | 18:48 | 4 | 4 | 6 | — | — | 1/3 | 0/3 | — |
| Dec 6 | vs Hokkaido | L 77–80 | 20:55 | 3 | 4 | 4 | — | — | 1/3 | 0/4 | — |
| Nov 16 | vs Saga | W 94–73 | 16:45 | 10 | 3 | 2 | — | — | 0/0 | 2/4 | — |
| Nov 15 | vs Saga | L 70–86 | 24:48 | 3 | 1 | 8 | — | — | 0/0 | 1/3 | — |
| Nov 12 | @ Brave Thunders | W 74–60 | 23:28 | 5 | 4 | 3 | — | — | 1/3 | 1/3 | — |
| Nov 9 | vs Alvark | L 90–91 | 26:06 | 9 | 2 | 3 | — | — | 1/2 | 2/6 | — |
| Nov 8 | vs Alvark | W 83–66 | 22:35 | 7 | 4 | 7 | — | — | 0/0 | 2/6 | — |
| Nov 5 | vs Shimane | W 77–74 | 26:10 | 10 | 2 | 4 | — | — | 1/2 | 2/5 | — |
| Oct 29 | vs Hokkaido | L 58–84 | 20:15 | 0 | 3 | 1 | — | — | 0/3 | 0/7 | — |
| Oct 26 | @ Chiba | L 72–95 | 25:25 | 14 | 3 | 4 | — | — | 0/1 | 4/5 | — |
| Oct 25 | @ Chiba | L 63–84 | 22:32 | 3 | 2 | 2 | — | — | 1/3 | 0/4 | — |
| Oct 19 | vs Nagasaki | L 69–92 | 20:33 | 12 | 1 | 2 | — | — | 0/2 | 3/4 | — |
| Oct 18 | vs Nagasaki | L 76–85 | 15:18 | 6 | 2 | 2 | — | — | 0/0 | 2/3 | — |
| Oct 15 | @ Ibaraki Robots | W 84–82 | 20:40 | 17 | 3 | 4 | — | — | 3/4 | 3/6 | — |
| Oct 12 | @ NeoPhoenix | L 74–91 | 10:59 | 4 | 2 | 6 | — | — | 2/2 | 0/1 | — |
| Oct 11 | @ NeoPhoenix | W 83–73 | 16:38 | 3 | 2 | 6 | — | — | 1/1 | 0/2 | — |
| Oct 5 | vs Akita | W 86–69 | 16:12 | 11 | 3 | 6 | — | — | 0/1 | 3/5 | — |
| Oct 4 | vs Akita | W 76–69 | 18:49 | 4 | 4 | 4 | — | — | 2/2 | 0/2 | — |