Thian Kellen de Vries (born 26 April 2001) is a Dutch professional kickboxer. He is the current Colosseum Tournament, Enfusion and K-1 world champion.
As of July 2026, De Vries is ranked as the #10 light-heavyweight in the world by Beyond Kick.
Career A long-time resident of his hometown of Oostburg, from the province of Zeeland, De Vries started kickboxing at the age of 17 at Luc Verheije Fight Club in Aardenburg as a way to control his temper. There he trains under former champion Luc Verheije.
De Vries made his debut for the Enfusion promotion on 10 June 2023, at Enfusion 123. He defeated Chahid Chaquibi by technical knockout in the second round with low kicks.
On 30 June 2023, De Vries travelled to Romania to face Vasile Amariței for the Colosseum Tournament inaugural Light Heavyweght title. He won the fight by knockout in the second round with a spinning back fist.
On 17 October 2023, De Vries headlined a co-promoted event by Enfusion and Battle Arena in Waregem Belgium. He defeated Leo Jefferson by first-round technical knockout.
De Vries was scheduled to face Nikita Kozlov on 28 October 2023, at RCC Fair Fight in Yekaterinburg, Russia. He won the fight by unanimous decision.
De Vries faced Daniel Vítovec at 8TKO #6 in Alkmaar, Netherlands for the vacant Enfusion World Cruiserweight (-88kg) title. He won the fight by first-round knockout with a flying knee.
De Vries faced Vasile Amariței at Colosseum Tournament 41 on 8 December 2023. He won the fight by a first-round knockout.
De Vries faced Jesse Astill at an Alpha Fight Series "Australia vs The World" event on 16 February 2024. He won the fight by a second-round knockout. De Vries fought again only a week later on 24 February 2024, at Battle Arena in Zwevegem, Belgium where he knocked out Lionel Bady in the first round. De Vries faced Jente Nnamadim at 8TKO #9 for the Enfusion World Middleweight Championship, dominating the fight and knocking out Nnamadim with a spinning elbow, which was ruled illegal and the bout was a no contest.
De Vries faced Nabil el Ayyadi for the vacant Enfusion World Light Heavyweight Championship at Enfusion 157 on 18 May 2024. He won the fight by a second-round technical knockout.
De Vries faced Yuri Ceita at Elite Combat League II in Germany on 15 June 2024. He won the fight by technical knockout 52 seconds into the bout.
De Vries successfully defended his Enfusion World Cruiserweight title on 16 November 2024, when he stopped Peter Verhaegh by technical knockout in the second round at Enfusion #143.
On 9 February 2025, De Vries travelled to Tokyo, Japan, to face Carlos Budiao at K-1 World MAX 2025. He won the fight by first-round knockout.
On 29 March 2025, de Vries challenged Max Weekers for his Enfusion Middleweight World title at Enfusion 147. He won the fight by unanimous decision after five rounds.
De Vries successfully defended his Enfusion World Cruiserweight title for the second time when he knocked out Yasin Güren in the first round with a high kick at 8TKO #15 on 3 May 2025.
De Vries was expected to challenge the K-1 Cruiserweight (-90kg) titleholder Liu Ce at K-1 Beyond on 31 May 2025. Ce withdrew from the contest on 26 May, with a nose injury, and was stripped of the belt. De Vries was rescheduled to face Mahmoud Sattari for the vacant championship. He won the fight by a first-round knockout.
On 27 September 2025, De Vries faced Kevin van Heeckeren for the inaugural Enfusion Cage Event Xtreme Standup cruiserweight title. He won the fight by second-round knockout.
De Vries was scheduled to defend his K-1 Cruiserweight title against Liu Ce at K-1 World MAX 2025 on 15 November 2025. He was forced to withdraw after he underwent surgery for a broken hand he sustained in his previous fight against Kevin van Heeckeren.
Championships and accomplishments Legend 2025 Legend Cruiserweight (-90 kg) Champion Colosseum Tournament 2023 Colosseum Tournament World Light Heavyweight Championship Enfusion 2023 Enfusion World Cruiserweight (-88kg) Championship Four successful defenses 2024 Enfusion World Light Heavyweight (-93kg) Championship 2025 Enfusion Middleweight (-84kg) World Championship 2025 ECE Xtreme Standup World Cruiserweight (-88 kg) Championship K-1 2025 K-1 Cruiserweight (-90kg) Championship 2025 K-1 Knockout of the Year (vs. Mahmoud Sattari)
Awards Whowillwinfighting 2025 Whowillwinfighting "Knockout of the Year"
Kickboxing Romania Awards 2023 Foreign Fighter of the Year Combat Press 2025 Fight of the Year (vs. Mahmoud Sattari)
Kickboxing record
|- style="text-align:center; background:#" | 2027-02-11|| ||align=left| TBA || K-1 World GP 2027 -90kg World Championship Tournament Final 16 || Tokyo, Japan |||| ||
|- style="text-align:center; background:#" | 2026-12-16|| ||align=left| TBA || Enfusion #167 & #168|| Goes, Netherlands |||| ||
|- style="text-align:center; background:#cfc" | 2026-09-26|| Win ||align=left| Ulric Bokeme || Enfusion #163 & #164 || Tilburg, Netherlands || KO (left hook)|| 1 || 1:50 |- ! style=background:white colspan=9 |
|- style="text-align:center; background:#cfc" | 2026-07-20|| Win ||align=left| K-Jee || K-1 Dontaku 2026 || Fukuoka, Japan || KO (high kick)|| 1 || 1:26
|- align="center" bgcolor="#cfc" | 2026-03-28 || Win||align=left| Joilton Lutterbach|| 8TKO #25 || Goes, Netherlands || Decision ||5 || 3:00 |- ! style=background:white colspan=9 | |- align="center" bgcolor="#cfc" | 2025-09-27 || Win||align=left| Kevin van Heeckeren|| 8TKO #18 || Tilburg, Netherlands || KO (uppercut) || 2 || 1:57 |- ! style=background:white colspan=9 |
|- align="center" bgcolor="#cfc" | 2025-08-31 || Win ||align=left| Chip Moraza-Pollard|| Legend vol.2|| Kariya, Aichi, Japan || KO (left cross) ||1 || 2:35 |- ! style=background:white colspan=9 |
|- style="text-align:center; background:#cfc" | 2025-05-31|| Win ||align=left| Mahmoud Sattari || K-1 Beyond || Yokohama, Japan || KO (left cross)|| 1 || 1:04 |- ! style=background:white colspan=9 |
|- align="center" bgcolor="#cfc" | 2025-05-03 || Win ||align=left| Yasin Güren|| 8TKO #15|| The Hague, Netherlands || KO (high kick) || 1 || 2:00 |- ! style=background:white colspan=9 |
|- align="center" bgcolor="#cfc" | 2025-03-29 || Win ||align=left| Max Weekers|| Enfusion #147|| Goes, Netherlands || Decision (unanimous) || 5||3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc" | 2025-02-09 || Win ||align=left| Carlos Budiao|| K-1 World MAX 2025|| Tokyo, Japan || KO (left cross) || 1 || 2:31
|- bgcolor="#cfc" | 2024-12-14 || Win ||align=left| Rui || K-1 World Grand Prix 2024 Final || Tokyo, Japan || KO (left cross) || 1 ||0:27
|- align="center" bgcolor="#cfc" | 2024-11-16 || Win ||align=left| Peter Verhaegh || Glorious Fight Events ft Enfusion #143|| Groningen, Netherlands || TKO (4 knockdowns) || 2 || 2:05 |- ! style=background:white colspan=9 |
|- align="center" bgcolor="#cfc" | 2024-10-05 || Win ||align=left| Mimoun Jazouli || Enfusion 140 || Waregem, Belgium || TKO (jumping knee) || 3 || 0:40
|- align="center" bgcolor="#cfc" | 2024-07-15 || Win ||align=left| Yuya|| LEGEND vol.1|| Chiba, Japan || TKO (referee stoppage) || 1 || 2:45
|- align="center" bgcolor="#cfc" | 2024-06-15 || Win ||align=left| Yuri Ceita || Elite Combat League II|| Übach-Palenberg, Germany || TKO (referee stoppage) || 1 || 0:52
|- style="background:#cfc;" | 2024-05-18|| Win ||align=left| Nabil el Ayyadi || Enfusion 157 || Dordrecht, Netherlands || TKO (4 knockdowns/low kicks)|| 2 || |- ! style=background:white colspan=9 |
|- style="background:#c5d2ea;" | 2024-04-06|| NC ||align=left| Jente Nnamadim || 8TKO #9 || Goes, Netherlands || No contest (illegal elbow) || || |- ! style=background:white colspan=9 | |- |- align="center" bgcolor="#cfc" | 2024-02-24 || Win ||align=left| Lionel Bady|| Battle Arena || Zwevegem, Belgium || KO (right hook)|| 1 ||
|- style="background:#cfc;" | 2024-02-16|| Win ||align=left| Jesse Astill || AFS: Australia vs The World || Dubai, UAE || TKO (4 knockdowns) || 2||
|- align="center" bgcolor="#cfc" | 2023-12-08 || Win ||align=left| Vasile Amariței || Colosseum Tournament 41 || Ploiești, Romania || KO (punches) || 1 || 1:10
|- align="center" bgcolor="#cfc" | 2023-11-25 || Win ||align=left| Daniel Vítovec || 8TKO #6|| Alkmaar, Netherlands || KO (flying knee) || 1 || |- ! style=background:white colspan=9 |
|- align="center" bgcolor="#cfc" | 2023-10-28 || Win ||align=left| Nikita Kozlov || RCC Fair Fight 23 || Yekaterinburg, Russia || Decision (unanimous) || 3 || 3:00 |- |- align="center" bgcolor="#cfc" | 2023-10-07 || Win ||align=left| Léo Jefferson || Enfusion 125 || Waregem, Belgium || TKO (referee stoppage) || 1 || 1:25 |- |- align="center" bgcolor="#cfc" | 2023-06-30 || Win ||align=left| Vasile Amariței || Colosseum Tournament 39 || Suceava, Romania || KO (spinning back fist) || 2 || 1:22 |- ! style=background:white colspan=9 | |- align="center" bgcolor="#cfc" | 2023-06-10 || Win ||align=left| Chahid Chaquibi || Enfusion 123 || Alkmaar, Netherlands || KO (low kick) || 1 || 2:51 |- |- align="center" bgcolor="#cfc" | 2023-04-22 || Win ||align=left| || || Netherlands || KO (right cross) || 1 ||
|- align="center" bgcolor="#cfc" | 2023-03-10 || Win ||align=left| Selim Duman || Battle Arena, Final || Zwevegem, Belgium || TKO (corner stoppage/punches) || 1 ||
|- align="center" bgcolor="#cfc" | 2023-03-10 || Win ||align=left| Adrien Attia || Battle Arena, Semifinals || Zwevegem, Belgium || KO (right cross) || 1 || 1:33 |- ! style=background:white colspan=9 | |- align="center" bgcolor="#cfc" | 2022-12-11 || Win ||align=left| || || Netherlands || TKO (3 knockdowns) || 1 ||
|- align="center" bgcolor="#cfc" | 2022-10-15 || Win ||align=left| Ismael Hasini || Golden Event 2 || Würselen, Germany || KO (high kick) || 1 || 0:15
|- align="center" bgcolor="#cfc" | 2022-10-01 || Win ||align=left| Hilaie Bahjja || Battle Arena || Waregem, Belgium || KO (right cross) || 2 ||
|- align="center" bgcolor="#cfc" | 2022-06-11 || Win ||align=left| Ramzi Oulad || Fightnight Top Action || Turnhout, Belgium || KO (high kick) || 1 ||
|- align="center" bgcolor="#cfc" | 2021-10-02 || Win ||align=left| Zeyd Albayrak || Battle Arena || Waregem, Belgium || KO (right cross) || 1 || 0:35
|- align="center" bgcolor="#cfc" | 2021-08-22 || Win ||align=left| Irving Olensky || WFL Competition Round 3 || The Hague, Netherlands || Decision (unanimous) || 3 || 2:00
|- align="center" bgcolor="#cfc" | 2021-07-18 || Win ||align=left| Jan Willem Hiele || Akira FC || The Hague, Netherlands || KO (spinning back kick) || 2 ||
| colspan=9 | Legend:
See also List of male kickboxers
References