Kantaro Sakamoto (坂本貫太郎)

Region WCA ID Gender Competitions Completed Solves
Japan 2023SAKA04 Male 34 893

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 4 128 384 5.10 6.38 226 81 2
2x2x2 Cube 42 1318 5660 1.70 2.67 2812 750 23
4x4x4 Cube 30 693 2008 29.35 33.76 1859 648 31
5x5x5 Cube 50 876 2524 1:01.52 1:05.59 1949 692 38
6x6x6 Cube 60 1192 3597 2:21.47 2:36.70 3978 1311 67
7x7x7 Cube 74 1538 4660 4:07.64 4:19.22 4411 1450 71
3x3x3 One-Handed 8 190 599 9.68 11.45 291 101 6
Clock 32 590 2465 6.19 7.41 2303 546 26
Megaminx 18 204 815 42.91 49.43 878 226 23
Pyraminx 38 912 3470 2.70 3.51 1575 460 20
Skewb 12 547 2388 2.62 3.57 762 184 5
Square-1 27 412 1896 10.84 13.35 1374 309 19

Medal Collection

Gold Silver Bronze
10 7 7

Record Collection

WR CR NR
1
Competition Round Place Single Average Solves
3x3x3 Cube
Japan Championship 2026 Final 3 6.35 6.99 6.966.846.357.178.56
First round 3 6.45 6.62 6.517.306.456.556.79
Hiroshima Spring 2026 Final 2 6.89 7.61 7.966.897.068.107.82
First round 1 5.10 6.38 NR 6.846.415.105.888.03
Kanto Spring 2026 Final 1 6.00 7.45 7.419.236.007.467.47
First round 2 5.59 7.42 10.306.945.598.526.81
Otsu Biwako Spring 2026 Final 1 6.44 6.97 7.2411.896.446.567.12
First round 1 6.18 8.03 7.526.866.1810.189.70
Tokyo Spring 2026 Final 1 6.29 7.01 6.297.027.499.586.51
Second round 2 6.50 6.86 6.596.507.136.879.11
First round 3 6.92 7.44 10.967.957.096.927.28
Katano Spring 2026 Final 2 5.58 7.26 DNF6.875.587.737.19
First round 1 6.57 7.10 7.848.706.706.576.76
Kanto Winter 2026 Final 1 6.31 7.50 7.947.956.316.608.56
First round 1 6.00 6.79 6.006.187.147.487.05
Otsu Biwako Winter 2026 Final 1 6.09 7.01 10.486.608.016.436.09
First round 1 5.29 6.59 5.296.227.226.327.63
Ota Winter 2026 Final 5 7.02 8.85 10.0010.138.587.027.96
First round 3 6.54 7.17 6.957.418.166.547.14
Taiwan Championship 2025 Semi Final 21 7.10 8.40 9.17DNF7.107.908.14
Second round 13 6.85 8.07 6.858.98DNF7.377.86
First round 4 5.70 7.13 6.246.665.7010.448.48
Tokyo Winter 2025 Final 8 6.14 8.86 11.447.687.476.14DNF
First round 1 6.40 6.80 7.157.746.546.716.40
Ota Autumn 2025 Final 2 6.42 7.50 6.427.117.208.208.22
Second round 2 6.29 7.73 6.298.209.626.648.35
First round 1 7.07 7.59 7.078.177.217.3910.04
Kansai Mega Day 2025 Final 3 7.02 8.00 8.897.868.667.027.49
Second round 1 6.66 6.97 7.386.666.758.236.78
First round 1 6.49 7.36 6.497.307.427.358.26
Kanto Autumn PM 2025 Final 1 6.15 6.76 6.6410.046.156.507.13
First round 1 6.84 7.35 7.137.666.847.257.80
Katano Summer 2025 Final 1 6.16 7.22 7.627.626.506.167.54
Second round 1 6.34 7.83 6.348.6910.017.487.31
First round 1 6.58 6.95 9.016.897.106.586.87
Kanto Summer AM 2025 Final 1 6.03 7.03 6.847.426.036.987.27
First round 2 6.81 8.37 11.998.866.817.388.88
Tokai Summer 2025 Final 2 6.98 7.46 8.087.126.987.787.49
Kansai Odd and BLD 2025 Final 6 6.65 7.88 10.476.658.436.918.29
Second round 7 5.84 7.97 5.848.307.827.79DNF
First round 9 6.31 7.86 8.517.499.666.317.59
Kanto Spring 2025 Final 3 6.25 8.06 7.746.259.657.918.53
First round 5 7.69 8.55 8.217.959.489.947.69
Tokyo Spring PM 2025 Final 9 5.76 8.73 9.028.338.845.769.45
First round 5 6.89 8.01 6.899.677.498.288.26
Tokai Spring 2025 Final 2 6.76 7.01 7.077.066.908.286.76
First round 4 7.33 7.70 7.557.337.787.788.80
Tokyo Open AM Winter 2025 Final 1 6.53 6.69 7.866.536.856.646.59
First round 3 6.56 7.92 8.427.588.737.766.56
Shonan AM 2024 Final 1 6.88 7.31 7.687.369.526.896.88
Rubik's WCA Asian Championship 2024 Second round 68 7.82 8.56 8.6610.617.987.829.05
First round 73 6.44 8.50 8.206.448.418.968.90
Tokai Open AM 2024 Final 3 5.90 8.16 9.535.9011.186.718.23
Katano Milky Way 2024 Final 7 8.41 9.03 10.898.918.498.419.68
First round 4 7.59 8.57 9.377.599.838.497.84
Kanazawa 2024 Second round 14 7.87 9.80 8.86DNF10.579.967.87
First round 8 8.41 9.08 9.168.418.6511.369.42
Tokai Challenge Beta 2024 Final 9 8.62 11.97 13.488.62DNF11.5210.92
Hiroshima Winter 2024 Final 11 9.92 11.06 9.9210.7910.9211.9711.47
Second round 11 9.75 10.15 9.7510.5212.7010.149.79
First round 17 9.69 10.60 14.669.699.999.8411.97
Tokai Open 2023 First round 70 17.83 19.69 19.1018.6117.8321.3921.37
2x2x2 Cube
Japan Championship 2026 First round 16 1.90 3.34 3.772.473.776.451.90
Tokyo Spring 2026 Final 9 2.09 3.42 2.457.565.622.182.09
First round 6 1.87 2.79 4.952.771.872.742.85
Taiwan Championship 2025 First round 100 2.43 5.07 4.027.162.438.344.04
Tokyo Winter 2025 Final 8 2.79 4.12 5.989.682.793.283.09
First round 6 1.70 2.95 3.881.702.753.252.84
Katano Summer 2025 Final 6 2.58 3.46 3.562.926.423.902.58
First round 7 2.51 3.68 8.053.083.862.514.11
Kanto Summer AM 2025 Final 3 2.42 2.67 2.502.522.422.984.52
First round 8 2.80 3.89 4.803.293.582.806.04
Tokyo Spring PM 2025 Final 2 2.23 3.10 2.752.233.473.313.23
First round 7 2.36 3.03 3.492.642.963.802.36
Shonan AM 2024 Final 5 2.57 3.02 5.343.172.573.102.80
4x4x4 Cube
Japan Championship 2026 First round 35 33.76 38.47 43.4740.7237.3137.3833.76
Katano Spring 2026 First round 19 33.92 36.85 35.4640.6939.7235.3833.92
Kanto Winter 2026 Final 6 32.68 34.25 32.6834.9533.7734.0435.73
First round 6 29.56 33.76 31.8333.5029.56DNF35.96
Taiwan Championship 2025 First round 67 32.99 37.68 32.9943.8142.0436.7434.27
Tokyo Winter 2025 First round 11 29.35 37.97 36.3629.3539.6640.2837.90
Kansai Parity Party 2025 Second round 19 35.58 38.89 38.0640.6135.5853.3938.00
First round 19 30.43 37.96 30.4334.9649.9537.7741.14
Rubik's WCA Asian Championship 2024 First round 154 38.48 41.96 38.4840.7142.4246.7442.75
Katano Milky Way 2024 First round 20 33.38 44.18 48.5043.1255.2533.3840.93
Kanazawa 2024 First round 25 43.41 45.78 44.0447.3743.4152.7345.94
5x5x5 Cube
Katano Spring 2026 First round 37 1:09.54 1:22.30 1:33.691:19.541:20.731:09.541:26.63
Ota Winter 2026 First round 14 1:01.52 1:05.59 1:06.051:03.851:01.521:17.411:06.87
Taiwan Championship 2025 First round 87 1:10.71 1:15.43 1:15.581:25.281:10.711:13.401:17.31
Tokai Big Cubes 2025 Second round 23 1:10.29 1:12.69 1:15.141:11.911:13.741:10.291:12.42
First round 21 1:08.29 1:12.34 1:11.131:26.641:16.171:08.291:09.73
Tokai Summer 2025 Final 21 1:20.76 1:23.80 1:26.251:20.761:22.761:29.201:22.39
Kansai Odd and BLD 2025 First round 43 1:25.64 1:29.83 1:35.531:26.471:28.511:34.521:25.64
6x6x6 Cube
Katano Spring 2026 First round 36 2:21.47 2:36.70 2:37.402:21.472:51.24
Taiwan Championship 2025 First round 75 2:35.40 2:35.40
Tokai Big Cubes 2025 First round 27 2:36.96 2:40.82 2:41.362:44.142:36.96
Tokyo Autumn 2025 First round 39 2:40.04 2:48.13 3:02.052:42.292:40.04
Kansai Parity Party 2025 First round 45 3:01.10 DNF 3:30.133:01.10DNF
Ota Spring 2025 First round 29 3:01.15 3:01.66 3:01.153:01.173:02.67
7x7x7 Cube
Taiwan Championship 2025 First round 75 5:24.28 5:24.28
Tokai Big Cubes 2025 First round 30 4:07.64 4:19.22 4:07.644:25.074:24.96
Tokyo Autumn 2025 First round 46 4:11.81 4:27.26 4:30.684:39.284:11.81
Tokai Spring 2025 First round 32 4:40.35 5:11.28 5:46.795:06.714:40.35
3x3x3 Blindfolded
Kansai Odd and BLD 2025 First round 42 DNF DNF DNFDNSDNS
Kanazawa 2024 Final 26 DNF DNF DNFDNFDNS
3x3x3 One-Handed
Japan Championship 2026 Final 8 12.19 12.93 12.2313.9514.4012.6112.19
First round 8 11.46 13.67 13.0113.7511.4614.2619.87
Hiroshima Spring 2026 Final 3 12.14 12.63 12.1412.8512.6612.4312.80
Katano Spring 2026 Final 3 10.95 11.77 10.9511.1413.9111.1213.04
First round 3 11.76 12.52 13.1212.6012.6111.7612.34
Otsu Biwako Winter 2026 Final 4 11.87 12.48 12.7313.0611.8712.8411.88
First round 5 10.01 12.74 15.0512.9514.4910.7910.01
Ota Winter 2026 Final 2 9.68 11.45 12.4511.5312.999.6810.36
First round 5 11.09 13.35 11.0913.6115.0216.5611.41
Taiwan Championship 2025 Final 12 11.26 15.12 18.0511.2613.7419.0413.56
First round 9 11.48 12.99 14.5214.1212.4112.4511.48
Tokai Summer 2025 Final 6 10.49 14.18 13.0110.4919.0513.2916.23
Kanto Spring 2025 Final 7 13.00 13.80 14.2013.0013.5014.1513.76
First round 10 12.25 14.92 17.0412.2518.2612.9414.78
Tokai Open AM 2024 Final 9 12.62 15.72 19.0115.7016.7814.6812.62
First round 5 13.50 14.34 13.5014.2432.3414.0314.76
Clock
Otsu Biwako Spring 2026 Final 8 7.16 8.07 7.167.368.528.329.15
Ota Winter 2026 First round 48 6.47 DNF DNF6.4711.408.25DNF
Taiwan Championship 2025 First round 29 7.53 8.39 7.797.539.398.00DNF
Tokyo Autumn 2025 Final 6 6.94 8.71 6.9410.878.3310.267.54
First round 10 6.19 7.49 7.3711.567.786.197.32
Tokai Spring 2025 Final 6 7.04 7.83 DNF7.048.547.917.04
First round 8 6.27 7.41 8.467.276.516.27DNF
Megaminx
Japan Championship 2026 First round 15 50.85 52.84 52.8853.0252.6157.5650.85
Kanto Spring 2026 First round 11 42.91 49.43 42.9143.6746.8359.2357.78
Taiwan Championship 2025 First round 18 45.13 52.00 55.5845.1352.991:01.0247.44
Kansai Mega Day 2025 Final 12 50.00 53.40 50.1754.941:01.4850.0055.08
Second round 11 45.38 50.01 1:02.1845.3849.4249.7750.84
First round 11 47.18 50.56 50.3851.5147.181:03.3249.80
Kanto Autumn PM 2025 Final 9 54.59 56.37 54.5958.611:04.4055.0355.48
First round 8 49.99 52.44 49.9954.2952.6553.5451.14
Ota Spring 2025 Final 9 47.44 56.65 55.9147.4453.761:00.281:14.68
First round 7 43.75 49.55 53.7847.7043.7550.0750.87
Hiroshima Winter 2024 First round 28 1:38.49 1:39.881:38.49
Pyraminx
Japan Championship 2026 First round 9 2.70 3.51 3.154.192.703.204.53
Kanto Spring 2026 First round 15 5.21 6.40 14.917.385.375.216.44
Otsu Biwako Spring 2026 Final 8 3.36 5.32 4.546.267.115.153.36
First round 7 2.99 3.52 2.993.146.993.933.48
Tokyo Spring 2026 Final 4 3.71 4.22 4.054.483.714.147.45
First round 8 3.69 5.04 5.095.874.193.695.84
Katano Spring 2026 Final 12 3.14 5.07 4.994.006.216.763.14
First round 16 2.97 5.54 2.977.614.614.398.73
Otsu Biwako Winter 2026 First round 11 4.98 6.34 5.734.987.418.685.87
Taiwan Championship 2025 First round 20 2.99 4.76 4.765.172.994.368.72
Ota Autumn 2025 Final 5 3.61 4.49 4.814.304.356.313.61
First round 6 4.73 5.09 4.795.194.7312.255.30
Katano Summer 2025 Final 12 2.75 5.59 5.037.485.772.755.98
First round 5 2.95 4.30 6.304.314.444.152.95
Kanto Spring 2025 Final 10 4.41 5.49 5.555.495.446.754.41
First round 5 3.44 4.18 4.213.444.454.563.87
Rubik's WCA Asian Championship 2024 Second round 85 4.36 5.52 4.364.535.666.369.34
First round 96 3.54 5.29 5.743.545.964.185.99
Katano Milky Way 2024 First round 19 4.49 7.19 4.494.898.0710.818.62
Hiroshima Winter 2024 First round 20 5.43 8.66 6.975.438.7611.2410.24
Tokai Open 2023 First round 32 8.06 11.30 8.069.7013.7013.3710.84
Skewb
Japan Championship 2026 Final 7 3.98 5.23 5.485.086.913.985.13
First round 5 3.43 4.75 3.438.904.485.803.96
Otsu Biwako Spring 2026 Final 4 2.62 3.57 3.754.872.623.033.94
First round 6 2.68 4.48 4.514.172.684.765.86
Kanto Winter 2026 Final 4 3.12 4.47 4.824.004.583.125.04
First round 5 3.81 4.40 3.847.724.583.814.79
Taiwan Championship 2025 First round 17 3.90 5.56 3.905.345.905.615.72
Ota Autumn 2025 Final 5 4.17 4.87 5.514.174.307.414.79
First round 8 3.52 5.47 3.523.797.615.996.63
Katano Summer 2025 Final 14 4.87 8.62 6.414.8710.6311.308.82
First round 8 3.64 5.27 5.495.453.646.684.87
Tokai Spring 2025 Final 4 3.44 4.15 4.684.103.686.073.44
First round 6 3.71 5.65 4.516.755.687.363.71
Ota Spring 2025 Final 6 4.82 5.97 5.885.437.304.826.61
First round 4 3.09 5.30 5.675.2612.343.094.98
Rubik's WCA Asian Championship 2024 Second round 84 4.92 6.34 10.485.334.925.118.59
First round 90 4.86 5.69 5.745.099.854.866.25
Hiroshima Winter 2024 First round 22 8.93 11.40 11.729.7014.428.9312.77
Square-1
Japan Championship 2026 First round 22 11.79 20.17 24.4219.6511.7919.4521.40
Kanto Spring 2026 First round 13 12.31 17.01 17.5218.8212.3116.9616.56
Taiwan Championship 2025 First round 28 13.95 18.27 19.5914.70DNF13.9520.53
Tokyo Winter 2025 First round 19 14.21 18.39 14.6127.8614.2122.9717.58
Kansai Parity Party 2025 Final 15 11.25 17.23 15.8211.2526.1418.8317.03
Second round 15 14.36 16.07 14.3622.0114.9315.3317.94
First round 7 11.70 13.35 37.9012.1316.0911.7011.83
Ota Spring 2025 Final 6 10.84 14.00 19.8716.2510.8413.8411.92
First round 11 11.88 14.69 11.8815.8114.9015.9513.37
Rubik's WCA Asian Championship 2024 First round 64 12.47 20.09 17.5024.8012.4719.4223.36
Katano Milky Way 2024 Final 11 18.55 20.01 19.8118.7818.5521.4325.16

History of National Records

Single Average Competition Round Solves
3x3x3 Cube
6.38 Hiroshima Spring 2026 First round 6.846.415.105.888.03

National Championship Podiums

Event Place Single Average Solves
Japan Championship 2026
3x3x3 Cube 1 6.35 6.99 6.966.846.357.178.56
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