Hajun Sung (성하준)

Region WCA ID Gender Competitions Completed Solves
Republic of Korea 2024SUNG06 Male 13 209

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 593 11029 29564 11.09 13.75 32242 12428 663
2x2x2 Cube 559 9994 35903 3.46 4.77 25534 7547 470
4x4x4 Cube 490 8066 23225 53.07 1:00.27 22776 7927 485
5x5x5 Cube 493 7335 24978 2:23.44 2:32.37 21588 6387 463
3x3x3 One-Handed 767 17265 50922 44.34 49.86 45517 15554 710
Clock 336 3892 16681 16.59 19.65 15560 3615 317
Megaminx 222 3240 12051 1:41.87 1:53.11 11653 3124 218
Pyraminx 382 8806 33039 6.79 8.92 23101 6596 311
Skewb 523 9965 40955 10.37 14.91 39244 9756 521
Competition Round Place Single Average Solves
3x3x3 Cube
Kanto Winter 2026 First round 52 12.93 14.28 13.8413.7412.93DNF15.26
Seoul Winter 2026 Second round 99 11.98 15.15 11.9815.3113.68DNF16.46
First round 100 13.76 14.91 14.8014.3915.5319.0213.76
Korea Open 2025 Second round 122 11.09 13.88 15.0014.6114.1812.8511.09
First round 127 13.11 13.75 18.3713.8613.4313.9713.11
Suwon Summer 2025 First round 80 12.51 14.20 13.8116.0812.5113.4215.38
Osan Summer 2025 Second round 57 12.56 15.34 12.5619.9316.9216.0413.06
First round 57 13.18 14.99 14.8213.1815.1815.1614.98
NxN in Hanoi 2025 First round 70 15.60 17.31 17.2916.8219.3915.6017.83
Korea Newcomers AM 2025 First round 38 11.88 13.91 14.8712.3019.8914.5711.88
Tokyo Open AM Winter 2025 First round 25 11.49 14.33 13.7613.7515.4911.4916.00
Happy Suseong 2025 First round 120 15.81 16.22 16.0216.7117.0315.8115.93
GAN Mongolian Open 2024 First round 60 18.32 22.38 22.2822.7522.1222.8518.32
Katano Milky Way 2024 First round 173 24.65 37.62 44.70DNF33.8934.2824.65
2x2x2 Cube
Seoul Winter 2026 First round 76 4.21 4.99 5.714.594.215.514.88
Korea Open 2025 First round 132 4.87 5.88 4.884.874.90DNF7.87
Suwon Summer 2025 First round 76 3.68 5.81 6.506.105.413.685.92
NxN in Hanoi 2025 Second round 33 4.65 5.39 5.845.184.656.075.14
First round 25 3.46 4.80 5.344.713.464.355.68
Happy Suseong 2025 Second round 63 3.78 5.79 3.786.117.155.815.46
First round 58 4.29 4.77 5.304.774.294.405.15
Daegu Autumn 2024 First round 65 4.41 5.70 5.766.894.414.448.31
GAN Mongolian Open 2024 First round 39 5.12 6.08 5.726.205.12DNF6.31
4x4x4 Cube
Kanto Winter 2026 First round 51 54.58 1:03.54 54.581:08.851:06.771:13.3755.00
Korea Open 2025 First round 130 53.07 1:05.56 1:03.261:09.651:08.5353.071:04.88
Suwon Summer 2025 First round 76 56.09 1:00.27 58.451:08.6856.091:01.061:01.31
NxN in Hanoi 2025 First round 32 55.44 1:00.79 1:04.9555.441:02.831:00.7258.83
Happy Suseong 2025 First round 110 57.52 1:10.15 1:02.941:17.151:30.251:10.3657.52
Katano Milky Way 2024 First round 71 2:04.84 DNF2:04.84
5x5x5 Cube
Happy Suseong 2025 First round 98 2:23.44 2:32.37 2:23.442:26.612:44.892:47.582:25.60
3x3x3 One-Handed
Korea Open 2025 First round 119 44.34 49.86 45.8944.341:03.1158.6145.09
Osan Summer 2025 First round 60 49.16 1:45.7949.16
Clock
Osan Summer 2025 First round 44 16.59 19.65 DNF19.6320.3416.5918.99
GAN Mongolian Open 2024 First round 19 20.79 DNF 20.7931.28DNF24.95DNF
Megaminx
Korea Open 2025 First round 70 1:47.15 1:56.56 2:12.441:47.151:58.062:03.291:48.32
Please Minx Korea 2025 First round 63 1:41.87 1:53.11 1:55.401:43.602:00.322:09.781:41.87
Pyraminx
Korea Open 2025 First round 91 8.06 10.67 8.068.1613.2410.8812.97
Please Minx Korea 2025 First round 54 6.79 8.92 7.416.7911.0810.628.74
Korea Newcomers AM 2025 Final 52 8.16 12.88 11.728.1612.2816.0714.63
Daegu Autumn 2024 First round 60 6.97 10.18 9.696.9710.8415.7410.00
GAN Mongolian Open 2024 First round 37 9.71 11.19 10.3012.2910.9717.619.71
Katano Milky Way 2024 First round 60 14.39 19.58 28.4114.3918.8822.7517.10
Skewb
Korea Open 2025 First round 94 10.37 14.91 11.8415.1510.37DNF17.73
Osan Summer 2025 First round 43 12.34 15.04 13.8112.3417.9913.3118.49
Happy Suseong 2025 First round 74 10.59 15.26 13.5211.4320.8210.5922.05
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