Personal Page

Hajun Sung (성하준)

Name: Hajun Sung (성하준)
Region: Republic of Korea
Competitions: 11
WCA ID: Hajun Sung (성하준)2024SUNG06
Gender: Male
Career: 2024.07.07 - 2025.08.17
2025 Annual Summary

Current Personal Records

EventNRCRWRSingleAverageWRCRNRGoldSilverBronzeSolves/Attempts
3x3x3 Cube560103482805411.0913.75305571165863054/55
2x2x2 Cube5299570343553.464.7724392718244638/40
4x4x4 Cube46277022219753.071:00.2721738755445421/22
5x5x5 Cube4527042239452:23.442:32.372067161374295/5
3x3x3 One-Handed738167534915044.3449.8643917150896827/7
Clock30936321549816.5919.651451233862917/10
Megaminx2133109114891:41.871:53.1111127300821110/10
Pyraminx3618466317146.798.9222209633729330/30
Skewb49795833938810.3714.9137766939349614/15

Sum of Ranks

 Sum of NRNRSum of CRCRSum of WRWR
Single551034597011607433920720693
Average489134582447592227559719481
3x3x3 Cube
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025Second round122 11.09 13.88
15.00     14.61     14.18     12.85     11.09
First round127 13.11 13.75
18.37     13.86     13.43     13.97     13.11
Suwon Summer 2025First round80 12.51 14.20
13.81     16.08     12.51     13.42     15.38
Osan Summer 2025Second round57 12.56 15.34
12.56     19.93     16.92     16.04     13.06
First round57 13.18 14.99
14.82     13.18     15.18     15.16     14.98
NxN in Hanoi 2025First round70 15.60 17.31
17.29     16.82     19.39     15.60     17.83
Korea Newcomers AM 2025First round38 11.88 13.91
14.87     12.30     19.89     14.57     11.88
Tokyo Open AM Winter 2025First round25 11.49 14.33
13.76     13.75     15.49     11.49     16.00
Happy Suseong 2025First round120 15.81 16.22
16.02     16.71     17.03     15.81     15.93
GAN Mongolian Open 2024First round60 18.32 22.38
22.28     22.75     22.12     22.85     18.32
Katano Milky Way 2024First round173 24.65 37.62
44.70     DNF       33.89     34.28     24.65
 
2x2x2 Cube
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round132 4.87 5.88
4.88      4.87      4.90      DNF       7.87
Suwon Summer 2025First round76 3.68 5.81
6.50      6.10      5.41      3.68      5.92
NxN in Hanoi 2025Second round33 4.65 5.39
5.84      5.18      4.65      6.07      5.14
First round25 3.46 4.80
5.34      4.71      3.46      4.35      5.68
Happy Suseong 2025Second round63 3.78 5.79
3.78      6.11      7.15      5.81      5.46
First round58 4.29 4.77
5.30      4.77      4.29      4.40      5.15
Daegu Autumn 2024First round65 4.41 5.70
5.76      6.89      4.41      4.44      8.31
GAN Mongolian Open 2024First round39 5.12 6.08
5.72      6.20      5.12      DNF       6.31
 
4x4x4 Cube
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round130 53.07 1:05.56
1:03.26   1:09.65   1:08.53   53.07     1:04.88
Suwon Summer 2025First round76 56.09 1:00.27
58.45     1:08.68   56.09     1:01.06   1:01.31
NxN in Hanoi 2025First round32 55.44 1:00.79
1:04.95   55.44     1:02.83   1:00.72   58.83
Happy Suseong 2025First round110 57.52 1:10.15
1:02.94   1:17.15   1:30.25   1:10.36   57.52
Katano Milky Way 2024First round71 2:04.84 
DNF       2:04.84
 
5x5x5 Cube
CompetitionRoundPlaceBestAverageDetail
Happy Suseong 2025First round98 2:23.44 2:32.37
2:23.44   2:26.61   2:44.89   2:47.58   2:25.60
 
3x3x3 One-Handed
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round119 44.34 49.86
45.89     44.34     1:03.11   58.61     45.09
Osan Summer 2025First round60 49.16 
1:45.79   49.16
 
Clock
CompetitionRoundPlaceBestAverageDetail
Osan Summer 2025First round44 16.59 19.65
DNF       19.63     20.34     16.59     18.99
GAN Mongolian Open 2024First round19 20.79 DNF
20.79     31.28     DNF       24.95     DNF
 
Megaminx
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round70 1:47.15 1:56.56
2:12.44   1:47.15   1:58.06   2:03.29   1:48.32
Please Minx Korea 2025First round63 1:41.87 1:53.11
1:55.40   1:43.60   2:00.32   2:09.78   1:41.87
 
Pyraminx
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round91 8.06 10.67
8.06      8.16      13.24     10.88     12.97
Please Minx Korea 2025First round54 6.79 8.92
7.41      6.79      11.08     10.62     8.74
Korea Newcomers AM 2025Final52 8.16 12.88
11.72     8.16      12.28     16.07     14.63
Daegu Autumn 2024First round60 6.97 10.18
9.69      6.97      10.84     15.74     10.00
GAN Mongolian Open 2024First round37 9.71 11.19
10.30     12.29     10.97     17.61     9.71
Katano Milky Way 2024First round60 14.39 19.58
28.41     14.39     18.88     22.75     17.10
 
Skewb
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round94 10.37 14.91
11.84     15.15     10.37     DNF       17.73
Osan Summer 2025First round43 12.34 15.04
13.81     12.34     17.99     13.31     18.49
Happy Suseong 2025First round74 10.59 15.26
13.52     11.43     20.82     10.59     22.05
Korea Open 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round122 11.09 13.88
15.00     14.61     14.18     12.85     11.09
First round127 13.11 13.75
18.37     13.86     13.43     13.97     13.11
2x2x2 CubeFirst round132 4.87 5.88
4.88      4.87      4.90      DNF       7.87
4x4x4 CubeFirst round130 53.07 1:05.56
1:03.26   1:09.65   1:08.53   53.07     1:04.88
3x3x3 One-HandedFirst round119 44.34 49.86
45.89     44.34     1:03.11   58.61     45.09
MegaminxFirst round70 1:47.15 1:56.56
2:12.44   1:47.15   1:58.06   2:03.29   1:48.32
PyraminxFirst round91 8.06 10.67
8.06      8.16      13.24     10.88     12.97
SkewbFirst round94 10.37 14.91
11.84     15.15     10.37     DNF       17.73
 
Suwon Summer 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round80 12.51 14.20
13.81     16.08     12.51     13.42     15.38
2x2x2 CubeFirst round76 3.68 5.81
6.50      6.10      5.41      3.68      5.92
4x4x4 CubeFirst round76 56.09 1:00.27
58.45     1:08.68   56.09     1:01.06   1:01.31
 
Osan Summer 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round57 12.56 15.34
12.56     19.93     16.92     16.04     13.06
First round57 13.18 14.99
14.82     13.18     15.18     15.16     14.98
3x3x3 One-HandedFirst round60 49.16 
1:45.79   49.16
ClockFirst round44 16.59 19.65
DNF       19.63     20.34     16.59     18.99
SkewbFirst round43 12.34 15.04
13.81     12.34     17.99     13.31     18.49
 
NxN in Hanoi 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round70 15.60 17.31
17.29     16.82     19.39     15.60     17.83
2x2x2 CubeSecond round33 4.65 5.39
5.84      5.18      4.65      6.07      5.14
First round25 3.46 4.80
5.34      4.71      3.46      4.35      5.68
4x4x4 CubeFirst round32 55.44 1:00.79
1:04.95   55.44     1:02.83   1:00.72   58.83
 
Please Minx Korea 2025
EventRoundPlaceBestAverageDetail
MegaminxFirst round63 1:41.87 1:53.11
1:55.40   1:43.60   2:00.32   2:09.78   1:41.87
PyraminxFirst round54 6.79 8.92
7.41      6.79      11.08     10.62     8.74
 
Korea Newcomers AM 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round38 11.88 13.91
14.87     12.30     19.89     14.57     11.88
PyraminxFinal52 8.16 12.88
11.72     8.16      12.28     16.07     14.63
 
Tokyo Open AM Winter 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round25 11.49 14.33
13.76     13.75     15.49     11.49     16.00
 
Happy Suseong 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round120 15.81 16.22
16.02     16.71     17.03     15.81     15.93
2x2x2 CubeSecond round63 3.78 5.79
3.78      6.11      7.15      5.81      5.46
First round58 4.29 4.77
5.30      4.77      4.29      4.40      5.15
4x4x4 CubeFirst round110 57.52 1:10.15
1:02.94   1:17.15   1:30.25   1:10.36   57.52
5x5x5 CubeFirst round98 2:23.44 2:32.37
2:23.44   2:26.61   2:44.89   2:47.58   2:25.60
SkewbFirst round74 10.59 15.26
13.52     11.43     20.82     10.59     22.05
 
Daegu Autumn 2024
EventRoundPlaceBestAverageDetail
2x2x2 CubeFirst round65 4.41 5.70
5.76      6.89      4.41      4.44      8.31
PyraminxFirst round60 6.97 10.18
9.69      6.97      10.84     15.74     10.00
 
GAN Mongolian Open 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round60 18.32 22.38
22.28     22.75     22.12     22.85     18.32
2x2x2 CubeFirst round39 5.12 6.08
5.72      6.20      5.12      DNF       6.31
ClockFirst round19 20.79 DNF
20.79     31.28     DNF       24.95     DNF
PyraminxFirst round37 9.71 11.19
10.30     12.29     10.97     17.61     9.71
 
Katano Milky Way 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round173 24.65 37.62
44.70     DNF       33.89     34.28     24.65
4x4x4 CubeFirst round71 2:04.84 
DNF       2:04.84
PyraminxFirst round60 14.39 19.58
28.41     14.39     18.88     22.75     17.10
No.DateNameRegionCity
112025-08-15~17Korea Open 2025Republic of Korea경기도 수원시 (Suwon-si, Gyeonggi-do)
102025-07-13Suwon Summer 2025Republic of Korea경기도 수원시 (Suwon-si, Gyeonggi-do)
92025-06-29Osan Summer 2025Republic of Korea경기도 오산시 (Osan-si, Gyeonggi-do)
82025-04-26~27NxN in Hanoi 2025VietnamHanoi
72025-04-05Please Minx Korea 2025Republic of Korea서울특별시 (Seoul)
62025-03-08Korea Newcomers AM 2025Republic of Korea서울특별시 (Seoul)
52025-02-16Tokyo Open AM Winter 2025JapanOta, Tokyo
42025-01-18~19Happy Suseong 2025Republic of Korea대구광역시 (Daegu)
32024-10-26~27Daegu Autumn 2024Republic of Korea대구광역시 (Daegu)
22024-10-05GAN Mongolian Open 2024MongoliaUlaanbaatar
12024-07-07Katano Milky Way 2024JapanKatano, Osaka