| 2025-11-15 | UFC 322: Della Maddalena vs. Makhachev | Lightweight | Matheus Camilo def. Viacheslav Borshchev | Decision (unanimous) (30–27, 30–27, 29–28) | 3 | 5:00 |
| 2025-06-28 | UFC 317: Topuria vs. Oliveira | Lightweight | Terrance McKinney def. Viacheslav Borshchev | Submission (guillotine choke) | 1 | 0:55 |
| 2025-02-08 | UFC 312: du Plessis vs. Strickland 2 | Lightweight | Tom Nolan def. Viacheslav Borshchev | Decision (unanimous) (29–28, 29–28, 30–27) | 3 | 5:00 |
| 2024-08-24 | UFC on ESPN: Cannonier vs. Borralho | Lightweight | Viacheslav Borshchev def. James Llontop | Decision (split) (28–29, 29–28, 30–27) | 3 | 5:00 |
| 2024-05-11 | UFC on ESPN: Lewis vs. Nascimento | Lightweight | Chase Hooper def. Viacheslav Borshchev | Submission (brabo choke) | 2 | 3:00 |
| 2023-11-11 | UFC 295: Procházka vs. Pereira | Lightweight | Nazim Sadykhov vs. Viacheslav Borshchev | Draw (majority) (28–29, 28–28, 28–28) | 3 | 5:00 |
| 2023-05-20 | UFC Fight Night: Dern vs. Hill | Lightweight | Viacheslav Borshchev def. Hayisaer Maheshate | TKO (punches) | 2 | 2:37 |
| 2022-10-01 | UFC Fight Night: Dern vs. Yan | Lightweight | Mike Davis def. Viacheslav Borshchev | Decision (unanimous) (29–28, 30–26, 30–26) | 3 | 5:00 |
| 2022-03-26 | UFC on ESPN: Blaydes vs. Daukaus | Lightweight | Marc Diakiese def. Viacheslav Borshchev | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2022-01-15 | UFC on ESPN: Kattar vs. Chikadze | Lightweight | Viacheslav Borshchev def. Dakota Bush | TKO (punch to the body) | 1 | 3:47 |