 World: World Championship U19 Women - Play Offs |
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| 3rd place | Italy U19 W | Japan U19 W | 3:2 (19:25, 25:14, 22:25, 25:23, 16:14) | details | 11.08.2023 |
| Semi-finals | Turkey U19 W | Japan U19 W | 3:0 (25:16, 25:12, 25:19) | details | 10.08.2023 |
| Quarter-finals | Thailand U19 W | Japan U19 W | 2:3 (20:25, 25:20, 20:25, 29:27, 10:15) | details | 09.08.2023 |
| 1/8-finals | Japan U19 W | Puerto Rico U19 W | 3:0 (25:18, 25:21, 25:21) | details | 07.08.2023 |
| World: World Championship U19 Women - Main |
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| Group D | Poland U19 W | Japan U19 W | 1:3 (25:20, 19:25, 15:25, 21:25) | details | 06.08.2023 |
 Asia: Asian Championship U19 Women - Play Offs |
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| Final | China U19 W | Japan U19 W | 0:3 (20:25, 14:25, 20:25) | details | 17.06.2018 |
| Semi-finals | Japan U19 W | Chinese Taipei U19 W | 3:0 (25:10, 25:14, 25:19) | details | 16.06.2018 |
| Quarter-finals | Japan U19 W | Iran U19 W | 3:0 (25:14, 25:15, 25:6) | details | 15.06.2018 |
| Asia: Asian Championship U19 Women - Main |
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| Group A | Vietnam U19 W | Japan U19 W | 0:3 (12:25, 12:25, 21:25) | details | 12.06.2018 |
| Group A | Japan U19 W | Thailand U19 W | 3:0 (25:22, 25:19, 25:21) | details | 11.06.2018 |
