UFC"Rudy"Iwo Baraniewski Record: 9-0-0
Light HeavyweightRecord9-0-0
Age27
DivisionLight Heavyweight · #24
Combat Edge Elo1716
Next fightSep 19 2026
Iwo Baraniewski has a 9-0-0 professional record and is 27 years old in the Light Heavyweight division, representing Aligatores Fight Club. This profile tracks fight history, UFC stats, ELO rating, record, age, and opponent links.
Last updated Aug 6, 2026 · Combat Edge fight database
Iwo Baraniewski bio
Personal background
Iwo Baraniewski is an undefeated Polish light heavyweight competing in the UFC's 205-pound division with a perfect 9–0 record. Nicknamed "Rudy," he was born on November 20, 1998, in Warsaw, Poland, and came to mixed martial arts through a deep grappling foundation. His father pushed him into judo at age eight, and he trained the sport for more than a decade, placing third at a junior world judo championship before transitioning to MMA. He also amassed an extensive amateur record and won honors in GAMMA competition, capturing a world title and two European titles. Now fighting out of Aligatores Fight Club in Warsaw, the 6'0" Baraniewski pairs that judo and grappling base with heavy hands and a 100% finish rate that has made him one of Europe's most feared light heavyweight prospects.
Path to the UFC
Baraniewski turned professional in September 2023 after going deep into the Polish amateur ranks, and he wasted no time. He opened his career with back-to-back first-round armbar submissions of Kamil Bartosinski and Miroslav Uchytil, showcasing the judo-bred grappling that underpins his game. From there he became a knockout machine on the Babilon MMA circuit, stopping Cemey dos Santos, Sylwester Borys and Kamil Stachura all inside the opening round across 2024 and early 2025. That perfect, all-finishes run earned him a spot on Dana White's Contender Series in September 2025, where he needed just seconds to flatten unbeaten Mahamed Aly (4–0) with a first-round knockout and secure his UFC contract.
UFC arrival and statement wins
Baraniewski announced himself in the UFC with the same first-round violence that defined his regional run. In December 2025 at UFC 323, he knocked out the experienced Ibo Aslan (14–3) with punches in the opening round, a marquee win over a battle-tested opponent that immediately signaled he belonged. He kept the momentum rolling in March 2026, knocking out Austen Lane with punches in the first round at a UFC Fight Night. Then in June 2026 he stopped Junior Tafa (7–5) by first-round TKO via leg kick and punches, extending his unbeaten record to 9–0 and his streak of first-round finishes to a remarkable nine straight.
Fighting style
Baraniewski is the rarest kind of prospect: a finisher with a 100% finish rate across nine professional fights, none of which has left the first round. Seven of his wins have come by knockout and two by submission, a balance that reflects his unusual completeness — a decorated judoka with strong takedowns and a top game who has also developed genuinely concussive striking and dirty boxing. He hunts the finish from the opening bell, and his judo background gives him the grip-fighting and throwing tools to dictate where a fight takes place. The only real unknown is how he handles deep water, since no opponent has yet pushed him past five minutes; his conditioning and composure in a longer fight remain untested at the elite level.
Career highlights
- Statement UFC debut win — knocked out veteran Ibo Aslan in the first round at UFC 323 to open his Octagon run in style.
- Perfect finishing record — 9–0 with a 100% finish rate, every win coming inside the first round by knockout or submission.
- Decorated grappling pedigree — a longtime judoka and GAMMA world and two-time European champion who blends that base with knockout power.
Career snapshot
Iwo Baraniewski career snapshot
EloCombat Edge Elo
1716Good ratingElo trajectory (last 3 years)
Overall#326
Light Heavyweight#24of 127 active
Peak1716
Last move+19
Opponent quality1538avg. pre-fight Elo · last 9
Career-high 1716 Elo after defeating Junior Tafa (2026-06-06)
Similar Elo in Light Heavyweight
Recent Elo history
WinJunior Tafa2026-06-06 | TKO+19WinAusten Lane2026-03-21 | KO+22WinIbo Aslan2025-12-06 | KO+31WinMahamed Aly2025-09-16 | KO (Punches)+28WinKamil Stachura2025-03-14 | TKO (Elbows and Punches)+21Iwo Baraniewski quick answers
What is Iwo Baraniewski's record?
Iwo Baraniewski's professional MMA record is 9-0-0.
How old is Iwo Baraniewski?
Iwo Baraniewski is 27 years old.
What weight class is Iwo Baraniewski?
Iwo Baraniewski fights at Light Heavyweight in UFC.
What gym does Iwo Baraniewski represent?
Iwo Baraniewski is associated with Aligatores Fight Club. Combat Edge publishes a gym average once at least 3 active fighters have Elo.
How tall is Iwo Baraniewski?
Iwo Baraniewski is 6'0" tall with a 73" reach.
How much does Iwo Baraniewski weigh?
Iwo Baraniewski competes at Light Heavyweight, with a most recent weigh-in of 205 lbs.
What is Iwo Baraniewski's Combat Edge Elo?
Iwo Baraniewski's Combat Edge Elo is 1716, with a peak Elo of 1716.
How strong is Iwo Baraniewski's recent opposition?
Iwo Baraniewski's latest 9 counted opponents averaged 1538 Elo immediately before their fights. This avoids using opponents' later career results with hindsight.
When was Iwo Baraniewski's last fight?
Iwo Baraniewski's latest tracked pro fight was against Junior Tafa at UFC Fight Night on Jun 6 2026.
What is Iwo Baraniewski's recent form?
Iwo Baraniewski's recent tracked pro form is W-W-W-W-W over the latest 5 decisive pro results.
How does Iwo Baraniewski usually win?
Iwo Baraniewski's 9 recorded wins include 7 knockouts, 2 submissions, and 0 decisions, with 100% ending before the final bell.
7Wins by knockout
2Wins by submission
0Wins by decision
0Loss by knockout
0Loss by submission
0Loss by decision
Iwo Baraniewski stats
Record : 9 / 0 / 0Significant strikes landed per minute
11.35Fighter4.03UFC light heavyweight avg
Significant striking accuracy
58%Fighter50%UFC light heavyweight avg
Significant strikes absorbed per minute
8.65Fighter3.75UFC light heavyweight avg
Significant strike defenseThe % of opponents strikes that did not land
53%Fighter51%UFC light heavyweight avg
Average takedowns landed per 15 minutes
0Fighter1.38UFC light heavyweight avg
Takedown accuracy
0%Fighter30%UFC light heavyweight avg
Takedown defenseThe % of opponents TD attempts that did not land
100%Fighter58%UFC light heavyweight avg
Average submissions attempted per 15 minutes
0Fighter0.59UFC light heavyweight avg
Pro fight history
ResultOpponentMethodTimeRoundEventDateFight details
Amateur fight history
ResultOpponentMethodTimeRoundEventDateFight details
Loading comments…