Satoshi Ishii vs Sergey Kovalev
Head-to-head comparison — tale of the tape, career analysis, stylistic breakdown, and prediction factors

Satoshi Ishii
25-13-1
Sergey Kovalev
"Krusher"
42-5-1Physical Comparison
Sergey Kovalev has the height edge at 183cm vs 180cm for Satoshi Ishii — a 3cm difference that gives Kovalev the ability to fight behind range.
Record & Experience
Satoshi Ishii brings a record of 25-13-1 across 39 professional bouts (64% win rate).Sergey Kovalev enters with 42-5-1 from 48 fights (88% win rate).
Sergey Kovalev has the experience edge with 48 bouts compared to 39 — that's 9 more fights under the bright lights, which can matter in championship rounds when fatigue sets in and composure is tested.
In terms of finishing power, Satoshi Ishii is the more prolific finisher with a 12% stoppage rate compared to 0% for Sergey Kovalev. Ishii has shown the ability to end fights decisively.
Age & Career Stage
At 39, Satoshi Ishii is 4 years younger than Sergey Kovalev (43). Youth can translate to speed, recovery, and a longer runway — but Kovalev's experience and ring IQ shouldn't be underestimated.
Key Factors
Ishii's Path to Victory
- • Establish rhythm early and dictate the pace
Kovalev's Path to Victory
- • Use height and reach to fight at range
- • Higher win percentage (88% vs 64%)
- • Greater professional experience (48 bouts)
- • Apply pressure and force the fight on their terms
Satoshi Ishii vs Sergey Kovalev — FAQ
- What are Satoshi Ishii's and Sergey Kovalev's records?
- Satoshi Ishii is 25-13-1 (3 KOs). Sergey Kovalev is 42-5-1 (0 KOs).
- Who is taller — Satoshi Ishii or Sergey Kovalev?
- Sergey Kovalev is taller at 183cm vs 180cm — a 3cm advantage.
- Who has the higher knockout rate?
- Satoshi Ishii has the higher KO rate at 12% compared to Sergey Kovalev's 0%.