Adrian Bartosinski
PolandLast 5Last fight: Win vs Madars Bertholds-Fleminas · Split Decision · Mar 14, 2026
CAREER SUMMARY
Adrian Bartosinski holds a professional MMA record of 19-1-0. Bartosinski has won 19 fights: 12 by KO/TKO, 2 by submission, 5 by decision. Of 1 career loss, 0 came by KO/TKO and 1 by submission. Most recent fight: March 14, 2026. Tracked organizations: KSW.
Profile
- Height
- 5'11"180 cm
- Weight
- 170 lbs77 kg
- Reach
- 72"183 cm
- DOB
- Aug 26, 1995
- Age
- 31
- Nationality
- Poland
- Birthplace
- Lodz, Poland
Career stats
Where they rank
All-time boards where Adrian Bartosinski sits in the top 25.
- #1 Longest average fight time, Welterweight17:46
- #1 Highest share of control time, Welterweight40.5%
- #1 Most control time, Welterweight43:11
- #1 Most control time, all divisions47:14
- #1 Most finishes, Welterweight3
- #1 Longest fights, Welterweight25:00
- #1 Most knockdowns in a fight, Welterweight1
- #1 Most knockdowns in a round, Welterweight1
Related fighters
Upcoming
Career history
- WINKSW 116: Bartosiński vs Fleminas· Mar 14, 2026· Welterweight· 19-1 vs 14-8SDR5 · 5:00
- WINKSW 113: Bartosiński vs Tulshaev· Dec 20, 2025· Welterweight· 18-1 vs 14-4TKOR3 · 4:56
- WINKSW 105: Bartosiński vs Grzebyk· Apr 26, 2025· Welterweight· 17-1 vs 22-7DECR5 · 5:00
- LOSSKSW 100: Khalidov vs Bartosiński· Nov 16, 2024· Middleweight· 16-1 vs 38-8-2SUBR2 · 2:48
- WINKSW 94 - Bartosinski vs Michaliszyn· May 11, 2024· Welterweight· 16-0 vs 10-3SUBR3 · 4:50
- WINKSW 89 - Bartosinski vs Parnasse· Dec 16, 2023· Welterweight· 15-0 vs 18-2UDR5 · 5:00
- WINKSW 81 - Bartosinski vs Szczepaniak· Apr 22, 2023· Welterweight· 14-0 vs 9-2TKOR1 · 1:47
- WINKSW 76 - Parnasse vs Rajewski· Nov 12, 2022· Welterweight· 13-0 vs 10-3TKOR1 · 4:58
- WINKSW 67 - De Fries vs Stosic· Feb 26, 2022· 172 lb Catchweight· 12-0 vs 18-5SUBR2 · 0:33
- WINKSW 62 - Kolecki vs Szostak· Jul 17, 2021· Welterweight· 11-0 vs 9-5TKOR1 · 1:53
- WINvs Lionel PadillaKSW 59 - Fight Code· Mar 20, 2021· Welterweight· 10-0 vs 8-2TKOR3 · 4:05
- WINvs Piotr WalawskiTylko Jeden· Apr 17, 2020· 9-0 vs 8-5-1TKOR3 · 0:23
- WINvs Kamil DołgowskiTylko Jeden· Mar 20, 2020· 8-0 vs 5-1TKOR1 · 3:00
- WINvs Konstantin LinnikWirtuoz Challenge· Dec 6, 2019· Catchweight· 7-0 vs 17-15TKOR1 · 1:05
- WINFight Exclusive Night 26· Oct 12, 2019· Catchweight· 6-0 vs 5-2TKOR2 · 2:15
- WINvs Alexander ShingarenkoRWC 3· Jul 5, 2019· Middleweight· 5-0 vs 6-4TKOR1 · 2:41
- WINvs Vladislav SchepanskyiWirtuoz Challenge 2· Apr 6, 2019· Middleweight· 4-0 vs 3-9TKOR1 · 2:30
- WINvs Jaroslaw LechWirtuoz Challenge 1· Sep 22, 2018· Middleweight· 3-0 vs 1-2TKOR2 · 3:10
- WINvs Wojciech ŻuchnikThunderstrike Fight League 13· Mar 23, 2018· Middleweight· 2-0 vs 0-1UD
- WINvs Michał PachThunderstrike Fight League 12· Nov 18, 2017· Middleweight· 1-0 vs 0-1UD
Title bout· ×N = title win number N in that promotion
- WINvs Damian KowalskiAmatorska Liga MMA· May 16, 2017· Middleweight· 7-2 vs 0-2SUBR1 · 2:20
- WINvs Piotr KosmowskiAmatorska Liga MMA· May 16, 2017· Middleweight· 7-2 vs 0-1DEC
- WINvs Kamil ŁuczajAmatorska Liga MMA· May 16, 2017· Middleweight· 7-2 vs 0-1SUBR1 · 3:00
- LOSSvs Gerard BąkALMMA 132: Puchar Polski MMA 2017· May 14, 2017· Middleweight· 6-2 vs 4-1DEC
- WINvs Sławomir LassotaALMMA 122· Nov 20, 2016· Middleweight· 5-1 vs 1-1SUBR1 · 2:58
- WINvs Artur PiechocińskiALMMA 122· Nov 20, 2016· Middleweight· 5-1 vs 0-1SUBR1 · 3:04
- WINvs Karol SkrzypekALMMA 109: Puchar Polski MMA 2016· May 15, 2016· Middleweight· 1-1 vs 0-1SUBR1 · 2:47
- WINvs Patryk RetkowskiALMMA 109: Puchar Polski MMA 2016· May 15, 2016· Middleweight· 1-1 vs 0-1SUBR1 · 3:20
- WINvs Sebastian RadzikowskiALMMA 109: Puchar Polski MMA 2016· May 15, 2016· Middleweight· 1-1 vs 0-1SUBR1 · 3:33
- WINvs Damian KosmalskiALMMA 109: Puchar Polski MMA 2016· May 15, 2016· Middleweight· 1-1 vs 0-1DEC
- LOSSvs Piotr WalawskiALMMA 36: Puchar Polski Środkowej· Apr 21, 2013· 0-1 vs 1-0SUBR1 · 2:48
Official KSW Ranking
Adrian Bartosinski's standing in the official KSW rankings.
- Current
- Unranked
- Peak
- Champion Welterweight
- First ranked
- Jan 8, 2022
- Times ranked
- 14
Welterweight
UFCalendar Power Index rating
- Current
- 1897▲3
- Peak
- 1906May 11, 2024
- Rated fights
- 20
Frequently asked questions
When does Adrian Bartosinski fight next?
Adrian Bartosinski fights Tymoteusz Lopaczyk on Saturday, November 21, 2026 at KSW 123: Bartosiński vs Łopaczyk.
What is Adrian Bartosinski's record?
Adrian Bartosinski's professional MMA record is 19-1-0.
Who is Adrian Bartosinski fighting next?
Adrian Bartosinski's next opponent is Tymoteusz Lopaczyk at KSW 123: Bartosiński vs Łopaczyk.
Who did Adrian Bartosinski fight last?
Adrian Bartosinski most recently fought Madars Bertholds-Fleminas at KSW 116: Bartosiński vs Fleminas on Saturday, March 14, 2026, WIN (Split Decision).
What weight class does Adrian Bartosinski fight in?
Adrian Bartosinski fights at Welterweight.
How many knockouts does Adrian Bartosinski have?
Adrian Bartosinski has 12 wins by KO/TKO and 2 wins by submission.
How tall is Adrian Bartosinski?
Adrian Bartosinski is 5'11" (180 cm) tall.
How much does Adrian Bartosinski weigh?
Adrian Bartosinski weighs 170 lbs (77 kg).
What is Adrian Bartosinski's reach?
Adrian Bartosinski has a reach of 72" (183 cm).
How old is Adrian Bartosinski?
Adrian Bartosinski is 31 years old (born Aug 26, 1995).
Where is Adrian Bartosinski from?
Adrian Bartosinski is from Poland.
Get Adrian Bartosinski's fight history and stats as JSON with the MMA Fight Data API →