World: World Championship U19 - 5th-8th places |
| 7th place | Canada U19 | Japan U19 | 107:58 (53:31, 54:27) | details | 02.07.2023 |
| Semi-finals | Serbia U19 | Japan U19 | 99:73 (45:44, 54:29) | details | 01.07.2023 |
World: World Championship U19 - Play Offs |
| Quarter-finals | USA U19 | Japan U19 | 105:61 (48:36, 57:25) | details | 30.06.2023 |
| 1/8-finals | Japan U19 | Hungary U19 | 63:53 (35:20, 28:33) | details | 28.06.2023 |
World: World Championship U19 - Main |
| Group C | Serbia U19 | Japan U19 | 76:65 (42:33, 34:32) | details | 27.06.2023 |
| Group C | Egypt U19 | Japan U19 | 70:82 (34:47, 36:35) | details | 25.06.2023 |
| Group C | Japan U19 | Brazil U19 | 73:94 (35:53, 38:41) | details | 24.06.2023 |
World: World Championship U19 - 13th-16th places |
| 15th place | South Korea U19 | Japan U19 | 95:92 (47:47, 48:45) | details | 11.07.2021 |
| Semi-finals | Mali U19 | Japan U19 | 104:66 (45:24, 59:42) | details | 10.07.2021 |
World: World Championship U19 - 9th-16th places |
| Quarter-finals | Japan U19 | Turkey U19 | 49:97 (22:46, 27:51) | details | 09.07.2021 |
World: World Championship U19 - Play Offs |
| 1/8-finals | Japan U19 | Serbia U19 | 86:89 (41:42, 45:47) | details | 07.07.2021 |
World: World Championship U19 - Main |
| Group A | Lithuania U19 | Japan U19 | 95:63 (57:32, 38:31) | details | 06.07.2021 |
| Group A | Japan U19 | Canada U19 | 75:100 (33:40, 42:60) | details | 04.07.2021 |
| Group A | Senegal U19 | Japan U19 | 76:71 (42:40, 34:31) | details | 03.07.2021 |
World: World Championship U19 - 9th-16th places |
| 9th place | Puerto Rico U19 | Japan U19 | 68:67 (29:33, 39:34) | details | 09.07.2017 |
| Semi-finals | Egypt U19 | Japan U19 | 73:76 ET (33:28, 31:36, 9:12) | details | 08.07.2017 |
| Quarter-finals | South Korea U19 | Japan U19 | 64:77 (32:35, 32:42) | details | 07.07.2017 |
World: World Championship U19 - Play Offs |
| 1/8-finals | Japan U19 | Italy U19 | 55:57 (29:21, 26:36) | details | 05.07.2017 |
World: World Championship U19 - Main |
| Group C | Canada U19 | Japan U19 | 100:75 (47:32, 53:43) | details | 04.07.2017 |
| Group C | Mali U19 | Japan U19 | 73:76 (32:31, 41:45) | details | 02.07.2017 |
| Group C | Japan U19 | Spain U19 | 67:78 (33:35, 34:43) | details | 01.07.2017 |