60
30%
KO Rate
18
KO / TKO
42
Decisions
2003
Pro Debut
Biography
Sergio Wielzen is a Kickboxing competitor with a 60-20-2 record.
How He Wins
KO / TKO18
Decision42
KO Rate
30%
18 of 60
wins by finish
wins by finish
Recent Form
W
L
W
W
L
L
W
L
L
L
Kickboxing Record56 Bouts
| Result | Opponent | Method | Rd | Event | Date |
|---|---|---|---|---|---|
| Loss |  Rodtang Jitmuangnon | Decision (Unanimous) | R3 | ONE Championship: Conquest of Heroes | Sep 22, 2018 |
| Loss | Sam-A Gaiyanghadao | KO (Right Elbow) | R4 | ONE Championship: Unstoppable Dreams | May 18, 2018 |
| Loss | Timur Nadrov | TKO (Referee Stoppage/Right Hook) | R2 | W5 Grand Prix KITEK XXXIX | Feb 18, 2017 |
| Win | Li Ning | Decision (Unanimous) | R3 | Glory of Heroes 6 | Jan 13, 2017 |
| Loss |  Wang Wenfeng | Decision | R3 | Mix Fight Gala 20 | Dec 3, 2016 |
| Loss |  Daniel Puertas Gallardo | Ext.R Decision | R4 | Wu Lin Feng x KO Fighters 2 | Oct 29, 2016 |
| Win | Ba Gei | KO | R2 | FF Fighting Championship | Jul 23, 2016 |
| Win |  Arthur Meyer | Decision (split) | R5 | Lion Fight 30 | Jul 9, 2016 |
| Loss | Yun Qi | Decision | R3 | Glory of Heroes 2 | May 7, 2016 |
| Win |  Ognjen Topic | TKO (doctor stoppage) | R3 | Lion Fight 28 | Feb 27, 2016 |
| Win | Kong Long | KO | R2 | KF1 WLF Intercontinental Super-4 Final | Oct 24, 2015 |
| Win | Chin Ngai Chung | KO | R1 | KF1 WLF Intercontinental Super-4 Semi-final | Oct 24, 2015 |
| Loss | Yakub Bersanukayev | Decision (unanimous) | R3 | ACB KB 2: Grand Prix Semifinals | Sep 27, 2015 |
| Win | Jin Ying | KO | R2 | — | Jul 4, 2015 |
| Loss | Deng Zeqi | TKO (doctor stoppage) | R2 | Wu Lin Feng | Apr 4, 2015 |
| Win | Vitaly Lisnyak | Decision | R3 | W5 Crossroad of Times, Semi Finals | Nov 29, 2014 |
| Win | Kittipong Pongthong | Decision | R3 | W5 Crossroad of Times, Semi Finals | Nov 29, 2014 |
| Loss | Charles François | Decision | R3 | King of the Ring 3 | May 10, 2014 |
| Loss |  Hamza Essalih | Ext.R Decision | R4 | Enfusion Fighting Rookies | Jan 25, 2014 |
| Loss | Houcine Bennoui | Decision (unanimous) | R3 | Thai Max, Semi Finals | Oct 19, 2013 |
| Win | Mickael Peynaud | KO | R1 | Thai Max, Quarter Finals | Oct 19, 2013 |
| Loss |  Masahiro Yamamoto | KO (left high kick) | R2 | RISE 94 | Jul 20, 2013 |
| Loss | Sak Kaoponlek | Decision (unanimous) | R3 | Glory 7: Milan | Apr 20, 2013 |
| Win | Alexei Blinov | KO | R1 | Era of Champions | Mar 14, 2013 |
| Win | Saša Jovanović | KO (left hook) | R1 | Vendetta VI | Dec 8, 2012 |
| Loss |  Emerson Falcão | Decision (unanimous) | R3 | It's Showtime 60 | Nov 10, 2012 |
| Loss | Saeksan Or. Kwanmuang | KO (elbow) | R3 | Muay Thai Warriors | Aug 19, 2012 |
| Loss | Kosuke Komiyama | TKO (Cut) | R1 | RISE 85 | Nov 23, 2011 |
| Win |  Carlos Reyes | TKO (Cut) | R1 | Street Culture, Fight Club Group & Canary Kickboxing Federation presents: It’s Showtime 53 | Nov 12, 2011 |
| Win | Ruslan Tozliyan | Decision (Unanimous) | R5 | W5 Grand Prix Moscow | Oct 22, 2011 |
| Loss |  Karim Bennoui | Decision (Split) | R5 | BFN Group presents: It's Showtime Brussels | Mar 26, 2011 |
| Win | Masahiro Yamamoto | TKO (Doctor Stoppage) | R3 | Yiannis Evgenikos presents: It’s Showtime Athens | Dec 11, 2010 |
| Win |  Mikael Peynaud | Technical Decision (5-0) | R2 | Fightingstars presents: It's Showtime 2010 | Sep 12, 2010 |
| Win | Anuwat Kaewsamrit | KO (Right High Kick) | R1 | Muaythai event in Geneva | May 29, 2010 |
| Win | Matteo Lippi | KO | R3 | Oktagon presents: It's Showtime 2010 | Mar 13, 2010 |
| Win | Imed Boukouayel | TKO | R3 | Beatdown | Jan 24, 2010 |
| Win |  Gary Hamilton | Decision | R3 | It's Showtime 2009 Barneveld | Nov 21, 2009 |
| Loss | Delon Carilo | Decision | R5 | Ring Rage III | Oct 4, 2009 |
| Win | Mohammed Ettajiri | KO (Knee) | R1 | Beatdown | Mar 8, 2009 |
| Win | Rachid El Majoubi | TKO (Doctor Stoppage) | R1 | Time For Action | Feb 1, 2009 |
| Loss | Mohammed Khamal | TKO | R4 | Ice Cold Assassins | Nov 8, 2008 |
| Loss | Delon Carrilho | Decision | R5 | Enriching Suriname | May 31, 2008 |
| Draw | Mo Aljedyan | Decision draw | R5 | Beatdown IX, Zonnehuis | Feb 2, 2008 |
| Win | Mohammed Khamal | Decision (Unanimous) | R5 | Beatdown VIII | Nov 3, 2007 |
| Win | Stacy Hassell | KO | R2 | Surinam Be Innovative | Jul 21, 2007 |
| Win | Bilal Aoulad Si Oomar | Decision (Unanimous) | R5 | Muaythai Gala "Talents of Osdorp", Sporthal Ookmeer | May 12, 2007 |
| NC | Mimoun Boughdir | No contest | R1 | Beatdown V, Wethouder Verheijhal Sporthal | Apr 29, 2007 |
| Win | Suleyman Kasmi | TKO (Referee stoppage) | R3 | — | Mar 31, 2007 |
| Win | Dennis Leeman | KO (Right cross) | R1 | Dangerzone, Zonnehuis | Mar 18, 2007 |
| Win | Illias Chabrani Gym | Decision (Unanimous) | R3 | Dodi Sports "Fight4Life" | Feb 24, 2007 |
| Win | Mohamed Ayder | Decision | R3 | Beatdown IV | Feb 10, 2007 |
| Win | Joop Snijders | Decision (Unanimous) | R3 | Top Team Beverwijk Muay thai gala | Oct 15, 2006 |
| Loss |  Yetkin Özkul | TKO (Doctor stoppage) | — | Kickbox gala Deventer | Jun 24, 2006 |
| Draw | Bilal Fiomar | Decision draw | R3 | Beatdown | Mar 18, 2006 |
| Win | Leroy de Veth | Decision | R3 | Kickboxgala Zonnehuis | Oct 29, 2005 |
| Win | Stanley Witteling | Decision | R2 | Team Karakura Muaythai & Freefight Gala | Dec 12, 2003 |
Data sourced from public records for archival/research purposes.