Underworld Betta Hunter 2021
| Top Participant | Entries |
|---|---|
| ROPA BETTA | 1 |
| ROSSI BETTA (ABT) | 1 |
| RUD | 1 |
| RUZAKI | 1 |
| S.A BETTA HOUZ | 1 |
| S&M BETTA | 1 |
| SA BETTA HOU 2 | 1 |
| SAHABAT BETTA | 1 |
| SAI | 1 |
| SAIFUL AKBAR SAHRONI | 1 |
| SAIFUL AZMAN | 1 |
| SAILOR BETTA | 1 |
| SAKE BETTA | 1 |
| SALAK BETTA HOUSE | 1 |
| SALUTE BETTA | 1 |
| SANUDIN BETTA | 1 |
| SARA BETTA | 1 |
| SATAY ABANG LOBAI | 1 |
| SAYANG BETTA NBF | 1 |
| SCC BETTA | 1 |