Underworld Betta Hunter 2021
| Top Participant | Entries |
|---|---|
| SUMAYYAH SAFIYA | 1 |
| SUNQUICK M-PRO | 1 |
| SUNWAY WILD BETTA | 1 |
| SUPERING | 1 |
| SYAFIQ | 1 |
| SYAH STCP | 1 |
| SYAHIRUL BETTA PJBT | 1 |
| SYAM ARIFF | 1 |
| SYED TF3 | 1 |
| TAIGA | 1 |
| TAILOR BETTA FARM | 1 |
| TANMIZI (BETTA) | 1 |
| TCK BETTA | 1 |
| TE BETTA FARM | 1 |
| TEAM SARAWAK | 1 |
| TEH KAH WAI SIKAT TEPI | 1 |
| TF BETTA | 1 |
| THAQIFF BETTA | 1 |
| THE BIT BOY | 1 |
| THE TANKER | 1 |