HEAD-TO-HEAD
Head-to-Head Comparison
Career Head-to-Head
All career bouts, including juryo and below (broadcast tallies usually count makuuchi only).
Rating-based Forecast
Expected win rate (latest)
47.8%
一山本 (R=1621)
vs
52.2%
阿炎 (R=1637)
Glicko-2 expected score (opponent RD taken into account)
Forecast accuracy (6 bouts)
| Predicted win rate (一山本) | 38.8% |
| Actual win rate | 50.0% |
| Delta | 11.2pt |
Positive = 一山本 wins above rating expectation; negative = below.
Career Comparison
| Item | 一山本 | 阿炎 |
|---|---|---|
| Peak rating | 1710 (2025-11) | 1842 (2022-01) |
| Career bouts | 705 | 1,007 |
| Wins | 360 | 520 |
| Losses | 313 | 415 |
| Win rate | 53.3% | 55.9% |
| Current rank | Maegashira #12 | Maegashira #12 |
| Active period | 2017-01 〜 2026-09 | 2013-05 〜 2026-09 |
Rating history (overlay)
Bout details (6)
| Basho | Day | Predicted | 一山本 | vs | 阿炎 |
|---|---|---|---|---|---|
| 2024-01 | 13 | 34% | ● | vs | ○ |
| 2025-01 | 11 | 25% | ● | vs | ○ |
| 2025-09 | 14 | 38% | ○ | vs | ● |
| 2025-11 | 1 | 40% | ● | vs | ○ |
| 2026-03 | 2 | 47% | ○ | vs | ● |
| 2026-11 | 4 | 48% | ○ | vs | ● |
Predicted = expected score at the start of that tournament (causal). Highlighted rows = upsets vs prediction.