Sergey Klassen
Nationality: Russia
Weight Class: Middleweight
Weight: 185 lbs
Professional Record
| 5 fights | 2 wins | 3 losses |
|---|---|---|
| KO/TKOs | 2 | 2 |
| Submissions | 0 | 1 |
| Decisions | 0 | 0 |
Fight Details
| Result | Record | Opponent | Event | Date | Method | Referee | Round | Time |
|---|---|---|---|---|---|---|---|---|
| WIN | 2 - 3 - 0 | Alexander Grebenkin | Warrior's Way - Championship 4 | May 11, 2014 | TKO (Punches) | 1 | 0:48 | |
| LOSS | 1 - 3 - 0 | Artur Astakhov | Fight Nights - Battle of Desne | September 17, 2012 | TKO (Punches) | 1 | 2:52 | |
| LOSS | 1 - 2 - 0 | Magomed Magomedov | Fight Nights - Battle of Moscow 7 | June 07, 2012 | Submission (Triangle Choke) | 1 | 2:19 | |
| LOSS | 1 - 1 - 0 | Bislan Amagov | League S-70 - Russian Championship Third Round | April 06, 2012 | TKO (Punches) | 1 | 2:09 | |
| WIN | 1 - 0 - 0 | Rashid Ismailov | MMACC - MMA Corona Cup 20 | February 17, 2012 | TKO (Punches) | 1 | 2:28 |
Upcoming Major Events
One Championship - One 173
Aug 01, 2025
UFC on ESPN 71 - Taira vs. Park
Aug 02, 2025
KSW 109 - Kuberski vs. Paczuski
Aug 09, 2025
UFC on ESPN 72 - Dolidze vs. Hernandez
Aug 09, 2025
One Championship - One Friday Fights 120
Aug 15, 2025
UFC 319 - Du Plessis vs. Chimaev
Aug 16, 2025
UFC Fight Night 257 - Walker vs. Zhang
Aug 23, 2025
UFC - Road to UFC Season 4: Shanghai Semifinals
Aug 23, 2025