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Karl Williams vs Sergey Bilostenniy

Karl Williams is 10-2-0; Sergey Bilostenniy is 15-4-0. Karl Williams is 6 years older than Sergey Bilostenniy. Karl Williams has a 4" · 10 cm reach advantage over Sergey Bilostenniy. Karl Williams is 2" · 5 cm taller than Sergey Bilostenniy. They have met once: Karl Williams 0, Sergey Bilostenniy 1.

Karl Williams
Karl Williams
10-2-0
DECSUBTKO
HeavyweightMet once
Sergey Bilostenniy
Russia
Sergey Bilostenniy
“HULK” · 15-4-0
TKOTKODEC
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Style & credentials

Karl Williams

No background on record

Camp · American Top Team Atlanta · Virgin Islands
Sergey Bilostenniy

No background on record

Camp · FedorTeam · Russia

Sig. strikes by zone

Where each fighter lands, as a share of significant strikes

66%
Head
59%
14%
Body
31%
20%
Leg
10%

Time in position

Share of fight time at distance, in the clinch and on the ground

Karl Williamslast 9 fights
57%18%25%
Sergey Bilostenniylast 5 fights
67%15%18%
■ Distance■ Clinch■ Ground

How good, really

Each stat against every UFC fighter, in plain words

Karl Williams· from fights outside the UFC Sergey Bilostenniy· from fights outside the UFC
Strikes landed / min
2.193.03
PoorBelow avgAverageGoodElite
Karl Williams · Poor · better than 15% of UFC fightersSergey Bilostenniy · Below avg · better than 38% of UFC fighters
Strikes taken / minfewer is better
2.802.11
PoorBelow avgAverageGoodElite
Karl Williams · Good · better than 70% of UFC fightersSergey Bilostenniy · Elite · better than 89% of UFC fighters
Takedowns landed / 15 min
2.680.56
PoorBelow avgAverageGoodElite
Karl Williams · Good · better than 83% of UFC fightersSergey Bilostenniy · Below avg · better than 24% of UFC fighters
Takedown accuracy
41%67%
PoorBelow avgAverageGoodElite
Karl Williams · Average · better than 58% of UFC fightersSergey Bilostenniy · Elite · better than 92% of UFC fighters
Takedown defence
53%94%
PoorBelow avgAverageGoodElite
Karl Williams · Below avg · better than 30% of UFC fightersSergey Bilostenniy · Elite · better than 96% of UFC fighters
Submission attempts / 15 min
0.100.30
PoorBelow avgAverageGoodElite
Karl Williams · Below avg · better than 25% of UFC fightersSergey Bilostenniy · Average · better than 40% of UFC fighters

Ranked against 1483 UFC fighters with five or more UFC fights.

Striking & grappling

Same scale left and right on every row

2.19
Strikes landed / min
3.03
2.80
Strikes taken / minfewer is better
2.11
2.68 / 6.5
Takedowns landed / 15 min
0.56 / 0.8
41%
Takedown accuracy
67%
53%
Takedown defence
94%
4:44
Control time / fight
2:26
0.10
Submission attempts / 15 min
0.30

Bars in a row share one scale. The stronger side is solid; the pale tail behind takedowns is attempts.

Where the strikes land

Range × target

Karl Williams5 UFC fights · 201 landed
Head
Body
Leg
Distance
52%104/274
8%16/21
12%25/28
Clinch
2%4/9
0%0/0
1%3/3
Ground
21%42/69
2%4/4
1%3/3
Sergey Bilostenniy5 fights · by range and by target
Range
87%Distance · 154
11%Clinch · 19
3%Ground · 5
Target
59%Head · 95
31%Body · 50
10%Leg · 16

The range × target cross-tab is logged for UFC fights only.

Share of significant strikes landed by range and target · landed / attempted in each cell.

Head-to-Head History

Frequently asked questions

Have Karl Williams and Sergey Bilostenniy ever fought?

Yes, once. Most recently at PFL World Tournament 10: 2025 Finals (Thu, Aug 21, 2025), where Sergey Bilostenniy won by TKO.

What are the records of Karl Williams and Sergey Bilostenniy?

Karl Williams is 10-2-0 and Sergey Bilostenniy is 15-4-0.

Who has the longer reach, Karl Williams or Sergey Bilostenniy?

Karl Williams has the longer reach: 79" · 201 cm against 75" · 191 cm for Sergey Bilostenniy, a 4" · 10 cm advantage.

Who is taller, Karl Williams or Sergey Bilostenniy?

Karl Williams is taller at 6'3" · 191 cm; Sergey Bilostenniy stands 6'1" · 185 cm.

Who is older, Karl Williams or Sergey Bilostenniy?

Karl Williams is 36 and Sergey Bilostenniy is 30.

Who has more finishes, Karl Williams or Sergey Bilostenniy?

Karl Williams has 3 wins inside the distance (3 by KO/TKO, 0 by submission); Sergey Bilostenniy has 11 wins (10 by KO/TKO, 1 by submission).

More comparisons

Sergey Bilostenniy vs others