Head to head 対戦成績
The better figure in each row is lit white. Height and weight aren't scored.
| Measure | ||
|---|---|---|
| Highest rank | Jonidan 41 | Sandanme 38 (better) |
| Career wins | 5555-63 | 216216-222 (better) |
| Win rate | 46.6% | 49.3% (better) |
| Top-division titles | 0 | 0 |
| Special prizes | 0 | 0 |
| Gold stars | 0 | 0 |
| Top-division basho | 0 | 0 |
| Top-division wins | - | - |
| Height | 182 cm | 182 cm |
| Weight | 90 kg | 169 kg |
Kouchi Kazuyuki v Oka Tsuyoshi
5 meetingsKouchi Kazuyuki 2Oka Tsuyoshi 3
- Oka Tsuyoshi won · Haru 2001, day 14 · Jk12w v Jk8eoshitaoshi
- Kouchi Kazuyuki won · Haru 2000, day 4 · Jk9w v Jk7etsukiotoshi
- Oka Tsuyoshi won · Aki 1999, day 5 · Jk23w v Jk26eoshidashi
- Kouchi Kazuyuki won · Nagoya 1999, day 8 · Jk7w v Jk4wyorikiri
- Oka Tsuyoshi won · Natsu 1999, day 6 · Jk44e v Jk41wsukuinage