2003 AFF U-18 Youth Championship
The 2003 AFF U-18 Youth Championship was held from 7 to 18 June 2003 and was co-hosted by Myanmar and Vietnam. This was the inaugural edition of the tournament.
Tournament
Group stage
Group A
- All matches played in Yangon, Myanmar
- All times are Myanmar Standard Time - UTC+6:30
| Team | Pld | W | D | L | GF | GA | GD | Pts |
| 3 | 2 | 1 | 0 | 14 | 3 | +11 | 7 | |
| 3 | 2 | 1 | 0 | 6 | 3 | +3 | 7 | |
| 3 | 1 | 0 | 2 | 6 | 7 | −1 | 3 | |
| 3 | 0 | 0 | 3 | 1 | 14 | −13 | 0 |
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Group B
- All matches played in Ho Chi Minh City, Vietnam
- All times are Indochina Time - UTC+7
| Team | Pld | W | D | L | GF | GA | GD | Pts |
| 4 | 4 | 0 | 0 | 14 | 2 | +12 | 12 | |
| 4 | 3 | 0 | 1 | 15 | 3 | +12 | 9 | |
| 4 | 2 | 0 | 2 | 3 | 6 | −3 | 6 | |
| 4 | 1 | 0 | 3 | 3 | 9 | −6 | 3 | |
| 4 | 0 | 0 | 4 | 1 | 16 | −15 | 0 |
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Knockout stage
- All matches played in Yangon, Myanmar
- All times are Myanmar Standard Time - UTC+6:30