William da Siva Oliveira
UFC Debut
Record
Streak
W1
- Fighting out of
- Sao Goncalo, Rio de Janeiro
- Born
- Brazil
- Camp
- Parana Vale Tudo
- Weight class
- Bantamweight
Before the UFC
William da Siva Oliveira makes their UFC debut
Our striking, grappling, and schedule metrics are measured from UFC fights, so they come online after this bout. Here is the career they bring in — and how live the opposition has been.
Pre-UFC opposition
StrongOpponents' combined record
30-10-1
.750 win rate
Winning-record opponents
3 of 3
carried winning pro records
Pro bouts faced
6
3 opponents with records on file
A descriptive read of the non-UFC slate from opponents’ full career pro records — not a UFC-grade Schedule Score.
UFC fight history
No UFC bouts on record yet.
Outside the UFC
across 6 bouts · 6 promotions · wins by 1 KO · 1 subMF 1 · Arena Global · Sao Goncalo · WOCS 51 · NCE 11 +1
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| W | Vinicius Martins Fortunato | KO/TKO | Punches | R1 | 4:00 | MF 1 | Oct 4, 2020 |
| D | Carlos Eduardo | Draw | — | R3 | 5:00 | Arena Global | Mar 14, 2020 |
| W | Jean Martins Silva | Submission | Rear-Naked Choke | R2 | 1:52 | Sao Goncalo | Feb 8, 2020 |
| L | Bruno Mesquita12-4-1 | Submission | Anaconda Choke | R1 | 0:00 | WOCS 51 | Jul 14, 2018 |
| L | Andre Domingues5-2 | KO/TKO | Punches | R1 | 3:30 | NCE 11 | Mar 18, 2017 |
| L | Patricio Lima13-4 | KO/TKO | Punches | R1 | — | WOCS 44 | Nov 5, 2016 |
Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.