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)
48.3%
正代 (R=1409)
vs
51.7%
一山本 (R=1421)
Glicko-2 expected score (opponent RD taken into account)
Forecast accuracy (6 bouts)
| Predicted win rate (正代) | 54.8% |
| Actual win rate | 16.7% |
| Delta | -38.1pt |
Positive = 正代 wins above rating expectation; negative = below.
Career Comparison
| Item | 正代 | 一山本 |
|---|---|---|
| Peak rating | 1607 (2014-05) | 1559 (2017-03) |
| Career bouts | 1,030 | 680 |
| Wins | 528 | 351 |
| Losses | 479 | 296 |
| Win rate | 52.9% | 54.1% |
| Current rank | Maegashira #6 | Maegashira #4 |
| Active period | 2014-03 〜 2026-07 | 2017-01 〜 2026-07 |
Rating history (overlay)
Bout details (6)
| Basho | Day | Predicted | 正代 | vs | 一山本 |
|---|---|---|---|---|---|
| 2024-03 | 2 | 60% | ● | vs | ○ |
| 2024-07 | 2 | 58% | ● | vs | ○ |
| 2025-03 | 7 | 56% | ● | vs | ○ |
| 2025-11 | 7 | 56% | ○ | vs | ● |
| 2026-05 | 15 | 50% | ● | vs | ○ |
| 2026-07 | 4 | 49% | ● | vs | ○ |
Predicted = expected score at the start of that tournament (causal). Highlighted rows = upsets vs prediction.