Chadd "The Shark" Collins is an Australian professional Muay Thai fighter and kickboxer. He is the current Unified World Muay Thai Super Lightweight Champion, holding the WBC, WMC, and WMO World titles. As of October 2024, he is the #1 ranked Super Lightweight Muay Thai fighter in the world according to Combat Press and the current RISE Super Lightweight Champion. According to Beyond Kickboxing, Collins is the #4 ranked Super Featherweight kickboxer in the world.

Professional career Collin's professional career started with a scheduled match during the Nemesis XI event at Kingsway Stadium on Saturday, May 21, 2016, where Collins defeated Parviz Iskenderov for the WKN Australia title.

Over the course of the next three years, before his WBC Muaythai and WMC title challenges, Collins achieved notable victories over the two weight Lumpini Stadium champion Pongsiri P.K.Saenchaimuaythaigym, Kaito Ono and the former RISE and REBELS champion Fukashi Mizutani.

In June 2019, Collins fought Luis Cajaiba for the vacant WBC Muaythai Super Welterweight title. Cajaiba won the fight by decision.

In September 2019, Collins challenged Satanfah Rachanon for the WBC Muay Thai World World Welterweight title. He lost the fight by decision. He bounced back with a decision win over Avatar Tor.Morsri during MX Muay Xtreme.

He fought Bobo Sacko for the vacant WMC World Welterweight title in December 2019. Sacko won the fight by decision.

On November 26, 2022, Collins faced Yod-IQ Sor.Thanaphet at Rebellion Muay Thai XXVII with the vacant WBC Muay Thai World Super Lightweight title at stake. He won the fight by unanimous decision.

Collins made his first WBC Muay Thai World Super Lightweight (-63.5 kg) title, while simultaneously challenging for the inaugural Rebellion Muay Thai Super Lightweight title, against Jordan Godtfredsen at Rebellion Muaythai XXX on 18 November 2023. He won the fight by a fourth-round knockout.

On 16 December 2023, Collins faced Petpanomrung Kiatmuu9 for the RISE Super Lightweight Championship at RISE World Series 2023 Final Round. He won the fight by unanimous decision to become the new RISE Super Lightweight Champion in a fight that was named 2023 Upset of the Year by Beyond Kickboxing.

Collins faced Miguel Trindade at RISE ELDORADO 2024 on 17 March 2024 as part of an ongoing collaboration between the Glory and RISE organizations. He lost by first-round technical knockout after being counted three times by the referee.

Collins faced Rungkit Bor.Rungrot for the vacant WMO World Super Lightweight (-63.5 kg) title at War on the Shore 24 on 29 June 2024. He won the fight by a second-round knockout.

Collins faced Yutaro Asahi at RISE WORLD SERIES 2024 YOKOHAMA on 8 September 2024. He won the fight by a first-round knockout.

Collins faced Abraham Vidales in the quarterfinals of the GLORY RISE Featherweight Grand Prix, held on 21 December 2024, in Chiba, Japan. He won the fight by unanimous decision. Collins failed to advance in the tournament however, as he was stopped by Miguel Trindade in the first round of their semifinal bout.

Collins was scheduled to defend his RISE Super Lightweight (-65kg) World champion against Kento Haraguchi at RISE World Series 2025 Tokyo on 2 August 2025. He won the fight by split decision.

Titles and accomplishments Kickboxing RISE 2023 RISE Super Lightweight (-65 kg) World Champion (one time; current) One successful title defense

Muay Thai Eruption Muay Thai 2014 Eruption 65kg Champion

World Kickboxing Network 2016 WKN Muay Thai Australia Champion

Rebellion Muay Thai 2023 Rebellion Muay Thai Super Lightweight Champion

World Muay Thai Council 2022 WMC International Super Lightweight Champion 2023 WMC World Super-Lightweight (-63.5 kg) Champion One successful title defense

World Boxing Council Muay Thai 2015 WBC Muay Thai Queensland Super-Lightweight (-63.5 kg) Champion 2022 WBC Muay Thai World Super-Lightweight (-63.5 kg) Champion One successful title defense

World Muaythai organization 2024 WMO World Super Lightweight (-63.5 kg) Champion

Fight record

|- style="background:#;" | 2026-11-15|| ||align=left| Kyohei Furumura || KNOCK OUT.70 || Tokyo, Japan || || ||

|- style="background:#fbb;" | 2026-09-05|| Loss||align=left| Kongnapa Weerasakreck || KNOCK OUT.68 ~KNOCKIN' on the WORLD~ || Yokohama, Japan || Decision (Unanimous)|| 3 || 3:00

|- style="background:#cfc;" | 2026-06-06|| Win ||align=left| Kimluay WanKongOhm || RISE World Series 2026 Tokyo || Tokyo, Japan || Decision (Majority) || 3 ||3:00 |- style="background:#fbb;" | 2026-04-18|| Loss||align=left| Dam Parunchai|| Rajadamnern World Series, Rajadamnern Stadium || Bangkok, Thailand || Decision (Unanimous)|| 5 || 3:00 |- ! style=background:white colspan=9 |

|- style="background:#cfc;" | 2025-08-23|| Win ||align=left| Jack Rachanon || Infliction Fight Series 37 || Gold Coast, Australia || Decision (Unanimous)|| 5 || 3:00 |- ! style=background:white colspan=9 |

|- style="background:#cfc;" | 2025-08-02|| Win ||align=left| Kento Haraguchi || RISE WORLD SERIES 2025 Tokyo || Tokyo, Japan || Decision (Split)|| 5||3:00 |- ! style=background:white colspan=9 |

|- style="background:#fbb;" | 2024-12-21|| Loss||align=left| Miguel Trindade || GLORY RISE Featherweight Grand Prix, Semifinals|| Chiba, Japan || TKO (2 Knockdowns) || 1 ||1:02

|- style="background:#cfc;" | 2024-12-21|| Win||align=left| Abraham Vidales || GLORY RISE Featherweight Grand Prix, Quarterfinals || Chiba, Japan || Decision (Unanimous) || 3 ||3:00

|- style="background:#cfc;" | 2024-09-08|| Win||align=left| Yutaro Asahi || RISE WORLD SERIES 2024 Yokohama || Yokohama, Japan || KO (Right cross) || 1 || 2:22

|- style="background:#cfc;" | 2024-06-29|| Win ||align=left| Rungkit Bor.Rungrot || War on the Shore 24 ||Gold Coast, Australia || KO || 2 || |- ! style=background:white colspan=9 |

|- style="text-align:center; background:#fbb" | 2024-03-17 || Loss || align=left| Miguel Trindade || RISE ELDORADO 2024|| Tokyo, Japan || TKO (3 Knockdowns) || 1 || 1:35

|- style="background:#cfc;" | 2024-02-16|| Win ||align=left| Mohamed El Hammouti || AFS: Australia vs The World || Dubai, United Arab Emirates|| Decision (Unanimous) || 3||3:00

|- style="background:#cfc;" | 2023-12-16||Win ||align=left| Petpanomrung Kiatmuu9 || RISE World Series 2023 - Final Round || Tokyo, Japan || Decision (Unanimous)|| 5||3:00 |- ! style=background:white colspan=9 |

|- style="background:#cfc;" | 2023-11-18||Win ||align=left| Jordan Godtfredsen || Rebellion Muaythai XXX // Roots 24: Welcome to Jamrock|| Melbourne, Australia || KO (Spinning back fist) || 4 || |- ! style=background:white colspan=9 |

|- style="text-align:center; background:#cfc" | 2023-08-26 || Win ||align=left| Cho Kyeong Jae || RISE World Series 2023 - 2nd Round || Tokyo, Japan || KO (High kick) || 1 ||2:17

|- style="background:#cfc;" | 2023-05-14|| Win||align=left| Ratchasing PetchyindeeAcademy || HOOST CUP - Kickboxing World Cup in Japan || Tokyo, Japan || Ext.R Decision (Majority)|| 4 ||3:00

|- style="background:#cfc;" | 2023-03-25|| Win ||align=left| Fah Likit Lukmahathat || Infliction Fight Series || Carrara, Australia || KO (Punches) || 2 || |- ! style=background:white colspan=9 |

|- style="background:#cfc;" | 2022-12-25|| Win ||align=left| Hiroki Kasahara || RISE World Series - Glory Rivals 4|| Tokyo, Japan || Decision (Unanimous) || 3|| 3:00

|- style="background:#cfc;" | 2022-11-26|| Win||align=left| Yod-IQ Sor.Thanaphet || Rebellion Muay Thai XXVII || Melbourne, Australia || Decision (Unanimous) || 5 || 3:00 |- ! style=background:white colspan=9 |

|- style="text-align:center; background:#cfc" | 2022-10-15 || Win ||align=left| Naoki|| RISE WORLD SERIES 2022 || Tokyo, Japan || KO (Punches)|| 2||1:42

|- style="text-align:center; background:#cfc" | 2022-08-21 || Win ||align=left| Ryota Nakano || RISE WORLD SERIES OSAKA 2022 || Osaka, Japan || KO (Punches)|| 1 || 2:43

|- style="background:#CCFFCC;" | 2022-07-16 || Win||align=left| Luktum WinnerMuaythai || Infliction Fight Series || Gold Coast, Australia || Decision (Unanimous) || 5||3:00 |- ! style=background:white colspan=9 |

|- style="background:#fbb" | 2022-05-28 || Loss||align=left| Jack SorKor.NidKlongsamwa || Fairtex Fight, Lumpinee Stadium|| Bangkok, Thailand || Decision || 3 ||3:00

|- style="background:#CCFFCC;" | 2021-11-27|| Win||align=left| Quinton Smith || The Road To Retribution || Gold Coast, Australia || Decision (Unanimous)|| 5||3:00 |- ! style=background:white colspan=9 |

|- style="background:#CCFFCC;" | 2021-10-30|| Win||align=left| Rhys Karakyriacos || Infliction Muay Thai || Sydney, Australia || Decision (Unanimous)|| 5||3:00

|- style="background:#CCFFCC;" | 2021-07-17|| Win||align=left| Ramesh Habib || Infliction Muay Thai || Queensland, Australia || TKO (Doctor Stoppage) || 3 ||

|- style="background:#FFBBBB;" | 2019-12-14|| Loss||align=left| Bobo Sacko || Golden Fight || Paris, France || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |

|- style="background:#CCFFCC;" | 2019-10-27|| Win||align=left| Avatar Tor.Morsri || MX MUAY XTREME || Bangkok, Thailand || Decision || 3 || 3:00

|- style="background:#FFBBBB;" | 2019-09-09|| Loss||align=left| Satanfah Rachanon || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |

|- style="background:#FFBBBB;" | 2019-06-18|| Loss||align=left| Luis Cajaiba || Petchnumnoi + Prestige Fight Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |

|- bgcolor="#CCFFCC" | 2019-04-27 || Win|| align=left| Kaito || Shoot Boxing 2019 act.2 || Tokyo, Japan || Decision (Unanimous)|| 5 || 3:00

|- bgcolor="#CCFFCC" | 2019-02-11|| Win||align=left| Fukashi || Knock Out 2019 Winter The Answer Is in the Ring || Tokyo, Japan || Decision (Unanimous) || 5 || 3:00

|- bgcolor="#c5d2ea" | 2018-12-01 || Draw|| align=left| Azize Hlali || Credissimo Golden Fight || Levallois Perret, France || Decision || 5 || 3:00

|- bgcolor="#CCFFCC" | 2018-10-28 || Win|| align=left| Pongsiri P.K.Saenchaimuaythaigym || Topking World Series || Ratchaburi province, Thailand || Decision || 3 || 3:00

|- bgcolor="#FFBBBB" | 2018-09-27 || Loss|| align=left| Phonek Or.Kwanmuang || Sor. Sommai Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00

|- bgcolor="#CCFFCC" | 2018-08-23 || Win|| align=left| Sakmongkol Sor. Sommai || Rajadamnern Stadium || Bangkok, Thailand || KO (Uppercut) || 3 ||

|- bgcolor="#FFBBBB" | 2018-07-25 || Loss|| align=left| Phonek Or.Kwanmuang || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00

|- bgcolor="#CCFFCC" | 2017-09-11 || Win|| align=left| Sakmongkol Sor.Sommai || Rajadamnern Stadium || Bangkok, Thailand || KO (Left elbow)|| 3 ||

|- style="background:#CCFFCC;" | 2017-08-07|| Win||align=left| Saeksan Or. Kwanmuang || Rajadamnern Stadium|| Bangkok, Thailand || Decision || 5 || 3:00

|- style="background:#FFBBBB;" | 2017-07-15|| Loss ||align=left| Saenchai P.K.Saenchaimuaythaigym || Thai Fight: We Love Yala || Yala province, Thailand || Decision || 3 || 3:00

|- style="background:#FFBBBB;" | 2017-04-29|| Loss ||align=left| Manasak Sor.Jor.Lekmuangnon|| THAI FIGHT Samui 2017 || Ko Samui, Thailand || Decision || 3 || 3:00

|- style="background:#FFBBBB;" | 2017-04-08|| Loss ||align=left| Talaytong Sor.Thanaphet || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00

|- style="background:#CCFFCC;" | 2017-02-17|| Win ||align=left| Lampard Sor Kamsing || MX Muay Xtreme || Bangkok, Thailand || KO (Body punch) || 3 ||

|- style="background:#CCFFCC;" | 2016-12-23|| Win||align=left| Pakorn PKSaenchaimuaythaigym || MX Muay Xtreme || Bangkok, Thailand || Decision || 5 || 3:00

|- style="background:#cfc;" | 2016-10-15|| Win ||align=left| Alexi Petroulias|| Prestige Fight Series 4 || Moolap, Australia || Decision (Unanimous) || 5 || 3:00

|- style="background:#fbb;"