World: World Championship U21 - 5th-8th places |
| 7th place | Belgium U21 | Thailand U21 | 3:0 (27:25, 25:21, 25:16) | details | 16.07.2023 |
| Semi-finals | Brazil U21 | Thailand U21 | 3:0 (25:17, 25:18, 25:15) | details | 15.07.2023 |
World: World Championship U21 - Main |
| Group E | Thailand U21 | Poland U21 | 0:3 (16:25, 17:25, 18:25) | details | 13.07.2023 |
| Group E | Iran U21 | Thailand U21 | 3:0 (25:11, 25:16, 25:19) | details | 12.07.2023 |
| Group E | Bulgaria U21 | Thailand U21 | 3:0 (25:21, 25:18, 25:20) | details | 11.07.2023 |
World: World Championship U21 - Preliminary |
| Group A | Tunisia U21 | Thailand U21 | 1:3 (25:20, 17:25, 22:25, 21:25) | details | 09.07.2023 |
| Group A | Bahrain U21 | Thailand U21 | 2:3 (24:26, 25:21, 25:21, 21:25, 12:15) | details | 08.07.2023 |
| Group A | Thailand U21 | Iran U21 | 1:3 (5:25, 25:23, 13:25, 21:25) | details | 07.07.2023 |
World: World Championship U21 - 9th-12th places |
| 11th place | Thailand U21 | Cuba U21 | 1:3 (37:35, 18:25, 16:25, 23:25) | details | 03.10.2021 |
| Semi-finals | Canada U21 | Thailand U21 | 3:0 (25:20, 25:16, 25:17) | details | 02.10.2021 |
World: World Championship U21 - Losers stage |
| Group G | Thailand U21 | Iran U21 | 0:3 (18:25, 12:25, 22:25) | details | 29.09.2021 |
| Group G | Thailand U21 | Egypt U21 | 3:1 (25:23, 25:23, 18:25, 25:23) | details | 28.09.2021 |
| Group G | Thailand U21 | Morocco U21 | 3:0 (25:12, 25:15, 25:22) | details | 27.09.2021 |
World: World Championship U21 - Preliminary |
| Group A | Egypt U21 | Thailand U21 | 1:3 (25:18, 23:25, 22:25, 25:27) | details | 25.09.2021 |
| Group A | Czech Republic U21 | Thailand U21 | 3:0 (25:16, 25:16, 25:15) | details | 24.09.2021 |
| Group A | Thailand U21 | Italy U21 | 0:3 (12:25, 15:25, 13:25) | details | 23.09.2021 |