Sidnei Ferreira
| Challenge | Status | End | Votes | Entries | Players |
|---|---|---|---|---|---|
| Uniformes | closed | 4 years, 4 months ago | 6100000 | 2767 | 2741 |
| Everlasting Photographs | closed | 1 year ago | 7109061 | 10691 | 2692 |
| Captured for "GuruShots" | closed | 10 months, 1 week ago | 8295136 | 13760 | 3396 |
| Photographers In Action | closed | 8 months, 1 week ago | 8120346 | 5492 | 2683 |
| Unforgettable Moments | closed | 6 months, 1 week ago | 6668474 | 10854 | 2687 |
| Significant Portraits | closed | 4 months, 1 week ago | 5981047 | 9531 | 2338 |
| A Mother's Love | active | 1 year, 4 months ago | 4099999 | 4231 | 2153 |
| A Mothers Love | active | 2 months ago | 1567472 | 1868 | 1692 |