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)
45.7%
一山本 (R=1421)
vs
54.3%
琴勝峰 (R=1451)
Glicko-2 expected score (opponent RD taken into account)
Forecast accuracy (17 bouts)
| Predicted win rate (一山本) | 49.8% |
| Actual win rate | 58.8% |
| Delta | 9.0pt |
Positive = 一山本 wins above rating expectation; negative = below.
Career Comparison
| Item | 一山本 | 琴勝峰 |
|---|---|---|
| Peak rating | 1559 (2017-03) | 1451 (2026-07) |
| Career bouts | 680 | 672 |
| Wins | 351 | 349 |
| Losses | 296 | 300 |
| Win rate | 54.1% | 53.6% |
| Current rank | Maegashira #4 | Sekiwake |
| Active period | 2017-01 〜 2026-07 | 2017-11 〜 2026-07 |
Rating history (overlay)
Bout details (17)
| Basho | Day | Predicted | 一山本 | vs | 琴勝峰 |
|---|---|---|---|---|---|
| 2019-03 | 12 | 53% | ○ | vs | ● |
| 2021-05 | 15 | 48% | ○ | vs | ● |
| 2021-11 | 11 | 51% | ○ | vs | ● |
| 2022-03 | 6 | 51% | ● | vs | ○ |
| 2022-05 | 10 | 50% | ○ | vs | ● |
| 2022-07 | 4 | 51% | ○ | vs | ● |
| 2022-09 | 5 | 53% | ● | vs | ○ |
| 2022-11 | 8 | 52% | ● | vs | ○ |
| 2023-01 | 1 | 51% | ● | vs | ○ |
| 2023-03 | 9 | 50% | ○ | vs | ● |
| 2024-03 | 5 | 48% | ○ | vs | ● |
| 2024-07 | 11 | 47% | ● | vs | ○ |
| 2025-09 | 5 | 49% | ○ | vs | ● |
| 2025-11 | 11 | 49% | ○ | vs | ● |
| 2026-03 | 3 | 50% | ● | vs | ○ |
| 2026-05 | 3 | 48% | ● | vs | ○ |
| 2026-07 | 10 | 47% | ○ | vs | ● |
Predicted = expected score at the start of that tournament (causal). Highlighted rows = upsets vs prediction.