2012 Indonesia Super League U-21 second stage
The 2012 Indonesia Super League U-21 second stage is contested by a total of 10 teams.
The draw for the group stage was held at the PT. Liga Indonesia house in Jakarta, Indonesia on 8 June 2012. Round I of second stage started 15 June 2012 to ended on 23 June 2012.
In each group, teams play each other home-and-away in a round-robin format, but all the match was held at the same stadium with a home tournament. The winners and runners-up of each group advance to the semifinal.Group I
All matches were played in Surajaya Stadium, Lamongan.
| Team | | | | | | | | |
| Pelita Jaya U-21 | 4 | 2 | 1 | 1 | 8 | 3 | +5 | 7 |
| Persela U-21 | 4 | 2 | 1 | 1 | 6 | 5 | +1 | 7 |
| Persita U-21 | 4 | 2 | 0 | 2 | 8 | 7 | +1 | 6 |
| Persija U-21 | 4 | 2 | 0 | 2 | 5 | 4 | +1 | 6 |
| PSAP Sigli U-21 | 4 | 1 | 0 | 3 | 2 | 10 | -8 | 3 |
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----Group II
All matches were played in Mandala Stadium, Jayapura.
| Team | | | | | | | | |
| Persipura U-21 | 3 | 2 | 1 | 0 | 13 | 5 | +8 | 7 |
| Persisam Putra U-21 | 3 | 2 | 1 | 0 | 9 | 5 | +4 | 7 |
| Persidafon U-21 | 3 | 1 | 0 | 2 | 5 | 12 | -7 | 3 |
| Persiba U-21 | 3 | 0 | 0 | 3 | 3 | 8 | -5 | 0 |
| Arema FC U-21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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