
Fight night · PFL
Nemkov defends the heavyweight title against Bilostenniy
Nemkov has not fought since winning the title on December 13, 2025, and all three of his heavyweight bouts ended by choke. Bilostenniy is 4-1 in the PFL and ranked No. 3.
PFL · Heavyweight

15–4–0
10 KO · 1 SUB · 4 DEC
Sergei Bilostenniy fights at heavyweight in the PFL.
He stopped Renan Ferreira, the former heavyweight champion, with punches at 1:56 of the third round at PFL Sioux Falls on May 2, 2026. He is the first fighter to stop Karl Williams, at 4:11 of the second round in the 2025 World Tournament final. The one PFL loss is a unanimous decision to Valentin Moldavsky on May 1, 2025.
He meets Vadim Nemkov for the heavyweight title on November 14, 2026, in Dubai. He submitted Tyrell Fortune with a heel hook in the first round on August 2, 2024, after a disqualification loss to Fortune in 2023. He held a Wushu Sanda world title, and he and Nemkov have shared camps under Fedor Emelianenko. PFL lists his camp as Rat Team, out of Serpukhov.

Fight night · PFL
Nemkov has not fought since winning the title on December 13, 2025, and all three of his heavyweight bouts ended by choke. Bilostenniy is 4-1 in the PFL and ranked No. 3.
| Date | Opponent | Result | Method | Round | Time | Event |
|---|---|---|---|---|---|---|
| Renan Ferreira | Win | TKO (punches)Stopped the former heavyweight champion. | 3 | 1:56 | PFL Sioux Falls | |
| Karl Williams | Win | TKO (punches)First stoppage of Karl Williams. | 2 | 4:11 | 2025 PFL World Tournament 10 | |
| Valentin Moldavsky | Loss | Decision (unanimous) | 3 | 5:00 | 2025 PFL World Tournament 4 | |
| Tyrell Fortune | Win | Submission (heel hook)Verbal submission. Avenged the 2023 disqualification. | 1 | 2:00 | PFL 7: 2024 Playoffs | |
| Blagoy Ivanov | Win | Decision (unanimous) | 3 | 5:00 | PFL 1: 2024 Regular Season | |
| Kasim Aras | Win | TKO (spinning wheel kick and punches) | 1 | 2:33 | Bellator 299 | |
| Tyrell Fortune | Loss | DQ (punches to the back of the head) | 1 | 3:26 | Bellator 294 | |
| Fernando Rodrigues Jr. | Win | Decision (split) | 3 | 5:00 | RCC 11 | |
| Caio Alencar | Win | TKO (punches) | 1 | 2:23 | OFC 15 | |
| Roggers Souza | Win | KO (punches) | 1 | 0:43 | OFC 10 | |
| Alex Sandry Modelli | Win | TKO (upkick and punches) | 1 | 0:24 | OFC 6 | |
| Mark Godbeer | Win | TKO (punches) | 1 | 2:04 | ACA 95 | |
| Mukhamad Vakhaev | Loss | Submission (rear-naked choke) | 1 | 4:32 | ACB 90 | |
| Amirkhan Isagadzhiev | Win | KO (punches) | 1 | 0:58 | ACB 77 | |
| Dmitriy Zabolotny | Win | TKO (punches) | 2 | 2:51 | ACB 62 | |
| Mukhamad Vakhaev | Loss | Submission (rear-naked choke) | 1 | 4:10 | ACB 48 | |
| Khanif Mirzamagomedov | Win | Decision (unanimous) | 3 | 5:00 | ACB 32 | |
| Amin Ergashev | Win | Decision (unanimous) | 3 | 5:00 | League S-70: Plotforma Cup 2015 | |
| Oleg Gapchenko | Win | TKO (punches) | 1 | 0:40 | Fight Nights Global 38 |