Sakai Kentaro
Sakai Kentaro (坂井健太郎) has a rating of 1655, ranked 161 of 452 in professional play. Their highest rating so far is 1676 (March 25, 2026).
Sakai Kentaro3 dan坂井健太郎Kansai Ki-in
Rating1655
Rank161
1-year change↑90
Peak rating1676
Last 10WinWinLossWinLossWinWinWinLossLoss27-32
- 2026 record
- 5-4
- Record since 1927
- 27-32
- Win rate
- .458
The rating is calculated from published game results. It does not include any adjustment for playing Black.
Professional ratingsFind a player
Rating history — professional
The “All” view starts at 2006; earlier years are used only to warm up the calculation and are not shown.
Recent games
| Date | Opponent and tournament | Result | Change |
|---|---|---|---|
| September 10, 2026 | Tsuji ShigehitoTengen Preliminary A as White | Loss | ↓8 |
| May 14, 2026 | Konishi YoshiakiraKisei First Tournament Preliminary Final Colors unknown | Loss | ↓13 |
| March 25, 2026 | Ha YoungilKisei First Tournament Round 4 as Black | Win | ↑23 |
| March 18, 2026 | Kumaki TeruyaMeijin Preliminary B as White | Win | ↑13 |
| March 11, 2026 | Kawamura KazunoriKisei First Tournament Preliminary Quarterfinal Colors unknown | Win | ↑8 |
| March 4, 2026 | Kunisawa HirotoKansai Ki-in First Place Tournament Round 1 as Black | Loss | ↓12 |
| February 19, 2026 | Takei TakashiKisei First Tournament Preliminary Round 2 Colors unknown | Win | ↑16 |
| January 29, 2026 | Omote YutoTengen Preliminary A Final as White | Loss | ↓6 |
| January 14, 2026 | Mishima HibikiKisei First Tournament Preliminary Round 1 Colors unknown | Win | ↑6 |
| December 17, 2025 | Kubo KatsuakiTengen Preliminary A as White | Win | ↑19 |
| November 20, 2025 | Tsuji ShigehitoTeikei Cup Shun-ei Preliminary as Black | Loss | ↓7 |
| October 29, 2025 | Kurahashi MasayukiTengen Preliminary A as White | Win | ↑22 |
| September 25, 2025 | Konishi YoshiakiraTeikei Cup Shun-ei Preliminary Semifinal Colors unknown | Win | ↑24 |
| September 25, 2025 | Yasuda AkikaTeikei Cup Shun-ei Preliminary Round 1 Colors unknown | Win | ↑4 |
| April 2, 2025 | Takahashi SuketasuMeijin Preliminary C as White | Loss | ↓20 |
| February 5, 2025 | Fujii ShuyaKisei First Tournament Round 2 as Black | Loss | ↓9 |
| January 16, 2025 | Furuya MasaoKisei First Tournament Preliminary Round 1 Colors unknown | Win | ↑6 |
| December 12, 2024 | Kunisawa HirotoKansai Ki-in First Place Tournament Round 1 as White | Loss | ↓11 |
| November 27, 2024 | Nishi TakenobuShinjin-O Preliminary as White | Loss | ↓4 |
| October 24, 2024 | Nishi TakenobuTeikei Cup Shun-ei Preliminary Round 1 Colors unknown | Loss | ↓5 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Konishi Yoshiakira | 1-2.333 | 0-0 | 0-0 |
| Nishi Takenobu | 0-3.000 | 0-1 | 0-1 |
| Tsuji Shigehito | 0-2.000 | 0-1 | 0-1 |
| Hara Masakazu | 0-2.000 | 0-1 | 0-1 |
| Sada Atsushi | 0-2.000 | 0-2 | 0-0 |
| Kurahashi Masayuki | 1-1.500 | 0-0 | 1-1 |
| Kunisawa Hiroto | 0-2.000 | 0-1 | 0-1 |
| Ikawa Ryougo | 1-01.000 | 0-0 | 0-0 |
| Hane Ayaka | 1-01.000 | 0-0 | 0-0 |
| Yasuda Akika | 1-01.000 | 0-0 | 0-0 |
Record by year
Counted by calendar year, January to December (default wins and losses are included; jigo and no-result games are not). Only games from 1927 onward are counted, so these totals do not match the career records published by the two Ki-in.
| Year | Record | Win rate |
|---|---|---|
| 2026 | 5-4 | .556 |
| 2025 | 5-3 | .625 |
| 2024 | 4-6 | .400 |
| 2023 | 6-5 | .545 |
| 2022 | 2-6 | .250 |
| 2021 | 2-4 | .333 |
| 2020 | 2-2 | .500 |
| 2019 | 1-2 | .333 |
| Total | 27-32 | .458 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).