Seung Hyeon Sung (성승현)

Region	WCA ID	Gender	Competitions	Completed Solves
Republic of Korea	2023SUNG02	Male	30	908

Current Personal Records

Event	NR	CR	WR	Single	Average	WR	CR	NR
3x3x3 Cube	43	594	1771	6.34	8.04	1726	624	38
2x2x2 Cube	95	1453	6221	1.81	2.90	3680	964	65
4x4x4 Cube	38	438	1305	27.96	32.87	1361	468	41
5x5x5 Cube	36	414	1185	55.05	1:01.65	1189	421	36
6x6x6 Cube	36	413	1170	1:51.74	2:07.82	1614	563	44
7x7x7 Cube	47	582	1614	3:08.97	3:20.55	1613	580	43
3x3x3 Fewest Moves	70	1128	4329	37	41.00	2977	785	47
3x3x3 One-Handed	322	6764	18149	22.07	27.62	18666	7156	338
Clock	39	493	2125	6.05	7.09	1824	419	31
Megaminx	35	426	1611	50.26	56.34	1564	408	31
Skewb	124	2211	8743	4.27	6.03	5638	1544	92
Square-1	17	199	948	8.76	12.44	1004	218	16

Medal Collection

Gold	Silver	Bronze
0	1	0

Results
Map

Competition	Round	Place	Single	Average	Solves
3x3x3 Cube
Seoul Winter 2026	Final	16	8.39	11.12	DNF	10.25	11.46	8.39	11.64
	Semi Final	12	7.09	8.75	9.41	8.60	8.24	9.80	7.09
	Second round	14	6.48	8.22	6.48	8.33	9.44	9.52	6.89
	First round	19	7.77	9.29	7.77	9.97	19.27	8.97	8.92
Korean Championship 2025	Second round	24	7.08	9.12	9.18	8.02	11.27	10.15	7.08
	First round	14	7.12	8.38	7.12	9.10	8.51	8.14	8.50
Okcheon Autumn Breeze 2025	Final	10	6.43	8.70	7.32	9.77	9.21	6.43	9.57
	Second round	7	7.36	8.04	8.25	7.88	7.36	10.47	7.98
	First round	4	8.25	8.48	8.51	8.25	9.09	8.41	8.53
Korea Open 2025	Semi Final	26	7.22	9.24	DNF	8.41	11.07	7.22	8.24
	Second round	16	8.35	8.94	10.43	8.35	8.73	9.51	8.58
	First round	12	6.34	8.62	6.34	8.18	8.71	8.96	29.79
Suwon Summer 2025	Final	11	8.86	9.37	8.86	9.19	9.55	9.38	14.53
	First round	12	7.25	8.98	8.19	7.25	9.47	14.77	9.29
Osan Summer 2025	Final	6	7.67	8.44	8.72	8.63	8.72	7.97	7.67
	Second round	5	7.72	8.46	7.72	8.44	8.74	8.21	9.46
	First round	10	8.28	9.16	9.58	8.69	8.28	12.05	9.20
Daejeon Spring 2025	Final	10	8.01	8.44	8.01	8.85	8.56	8.35	8.41
	Second round	11	7.96	8.68	9.13	7.96	8.89	DNF	8.02
	First round	19	7.94	9.92	13.46	10.28	7.94	11.42	8.05
Korea Newcomers AM 2025	Final	5	7.19	8.21	7.19	8.95	10.27	7.35	8.33
	First round	9	8.15	9.22	9.41	8.19	11.73	8.15	10.05
Anyang Haseyo 2025	Second round	17	8.12	9.46	12.29	9.08	8.12	8.56	10.73
	First round	13	8.41	9.07	8.41	9.52	8.90	9.77	8.80
Happy Suseong 2025	Final	16	10.04	11.13	12.87	10.04	10.39	12.68	10.33
	Second round	12	7.36	8.42	8.77	8.97	7.36	8.85	7.65
	First round	21	8.30	9.71	DNF	9.50	8.41	8.30	11.23
Seoul Winter 2024	First round	18	8.67	9.71	9.82	15.30	9.72	8.67	9.59
Hamchang Winter 2024	Second round	18	7.95	9.69	11.82	9.36	10.03	9.69	7.95
	First round	10	7.01	8.73	7.01	7.83	12.63	8.79	9.57
Korean Championship 2024	Final	16	7.63	10.12	10.86	11.35	8.15	DNF	7.63
	Semi Final	15	7.41	9.28	11.09	8.82	10.02	7.41	9.01
	Second round	37	9.22	10.84	12.59	10.60	9.22	11.30	10.62
	First round	11	8.10	8.71	8.35	14.30	8.10	9.30	8.47
Ansan Summer 2024	Final	13	8.26	10.42	9.48	11.56	10.22	12.80	8.26
	Second round	10	9.16	9.51	9.63	9.22	11.29	9.16	9.69
	First round	9	7.54	9.62	7.54	10.53	11.12	9.20	9.13
Korea Qualifier - Seoul A 2024	Final	2	6.92	9.22	8.97	9.83	6.92	12.65	8.87
Prime Cubing Day Seoul 2024	First round	22	8.22	10.34	9.70	9.84	8.22	11.48	DNF
Busan Spring 2024	Final	12	8.16	9.59	10.16	14.92	8.16	10.01	8.59
	Second round	11	8.48	9.00	8.48	9.14	9.20	11.25	8.66
	First round	14	8.01	9.59	10.40	8.96	8.01	11.15	9.40
Anyang Haseyo 2024	Final	14	9.17	10.41	12.17	10.73	9.17	10.96	9.55
	First round	11	7.62	9.15	8.69	7.62	8.88	9.89	11.92
Daegu Cold Winter 2024	Second round	16	8.37	9.71	8.37	12.08	9.26	9.61	10.27
	First round	13	8.27	9.58	8.27	9.92	9.05	10.85	9.77
Seoul Open 2024	Final	11	8.94	9.79	10.55	9.01	8.94	14.40	9.80
	Second round	11	7.97	9.13	9.08	7.97	10.29	8.02	11.00
	First round	16	8.02	10.20	9.79	9.50	8.02	11.32	12.47
Korean Championship 2023	Semi Final	14	8.02	9.90	8.80	8.02	9.18	11.91	11.72
	Second round	29	8.36	10.90	10.32	11.32	11.07	8.36	12.29
	First round	11	8.11	9.29	8.42	9.97	8.11	9.49	16.61
Hamchang Open 2023	Final	9	9.32	10.24	10.16	12.07	10.70	9.32	9.87
	First round	11	8.63	10.07	8.82	8.63	10.29	11.09	12.21
Rubik's WCA World Championship 2023	First round	595	9.64	12.54	9.64	13.44	12.37	12.62	12.64
Daegu Hot Spring 2023	First round	33	10.97	12.13	10.97	11.41	12.49	12.74	12.48
2x2x2 Cube
Seoul Winter 2026	First round	31	2.21	3.59	3.92	3.02	4.86	3.82	2.21
Korean Championship 2025	First round	32	2.41	3.64	4.59	2.41	3.20	3.59	4.14
Okcheon Autumn Breeze 2025	Final	11	3.20	4.34	3.50	5.19	4.34	3.20	35.44
	Second round	11	2.50	3.08	3.94	3.25	3.36	2.50	2.63
	First round	10	2.54	3.06	3.39	3.77	2.72	2.54	3.06
Korea Open 2025	Second round	36	2.52	3.55	3.60	3.92	2.52	4.09	3.14
	First round	39	2.53	3.71	4.12	2.93	4.07	4.42	2.53
Suwon Summer 2025	First round	66	2.77	5.41	4.08	8.25	12.07	3.89	2.77
Daejeon Spring 2025	Second round	41	2.45	4.52	2.45	6.68	DNF	3.39	3.48
	First round	8	1.81	2.90	3.09	2.72	3.91	1.81	2.89
Happy Suseong 2025	Second round	24	2.30	3.89	3.49	4.07	DNF	4.12	2.30
	First round	29	2.88	3.63	3.28	5.73	4.01	3.60	2.88
Seoul Winter 2024	Final	14	2.83	3.22	4.15	2.90	3.61	2.83	3.15
	First round	12	2.49	3.30	5.88	3.32	3.36	2.49	3.21
Daegu Autumn 2024	Final	11	2.34	2.93	2.34	2.55	3.86	2.78	3.45
	First round	12	1.83	3.12	1.83	3.78	2.44	3.90	3.15
Korean Championship 2024	Second round	35	2.64	4.12	3.84	4.80	2.64	11.18	3.73
	First round	10	2.33	3.14	2.33	3.10	3.14	3.70	3.17
Prime Cubing Day Seoul 2024	First round	23	2.83	4.04	4.23	2.83	3.80	6.21	4.10
Daegu Cold Winter 2024	Final	9	2.14	3.63	3.59	6.13	3.23	4.08	2.14
	First round	11	2.32	3.35	3.72	3.67	2.87	2.32	3.51
Korean Championship 2023	Second round	26	3.53	4.26	3.53	5.01	3.80	4.92	4.06
	First round	49	2.55	4.75	4.03	4.07	8.06	2.55	6.16
Daegu Hot Spring 2023	Final	34	4.52	4.87	4.53	4.97	5.10	6.26	4.52
4x4x4 Cube
Seoul Winter 2026	First round	17	30.74	34.73	30.74	31.78	51.74	34.35	38.05
Korean Championship 2025	First round	30	31.58	37.32	42.34	31.58	35.66	48.06	33.96
Okcheon Autumn Breeze 2025	Final	9	32.32	34.77	51.22	32.32	32.74	34.30	37.27
	Second round	8	28.04	33.05	28.04	34.03	30.46	36.53	34.65
	First round	15	35.42	39.13	39.15	38.68	35.42	44.20	39.55
Korea Open 2025	Final	13	31.84	33.45	33.09	31.84	34.19	33.08	DNF
	Second round	11	31.46	32.87	34.23	31.46	35.04	31.94	32.45
	First round	20	27.96	35.64	40.12	40.96	36.16	27.96	30.65
Suwon Summer 2025	Final	15	34.69	36.52	40.77	34.69	35.20	36.27	38.10
	First round	13	31.31	37.57	39.89	35.20	31.31	39.39	38.13
Daejeon Spring 2025	First round	17	33.68	36.94	38.10	33.68	36.08	36.81	37.93
Anyang Haseyo 2025	Second round	19	35.24	37.30	36.49	38.14	42.56	37.26	35.24
	First round	15	32.56	37.25	32.56	39.61	42.37	34.17	37.96
Happy Suseong 2025	First round	24	32.50	37.93	44.71	33.19	41.22	39.38	32.50
Seoul Winter 2024	First round	22	37.06	38.76	37.72	40.67	37.06	DNF	37.89
Daegu Autumn 2024	Final	8	32.01	34.82	32.96	32.01	33.80	37.70	44.57
	First round	9	34.24	36.78	35.02	38.34	36.97	39.54	34.24
Korean Championship 2024	Final	16	32.58	47.48	52.91	32.58	49.41	40.11	1:11.30
	Second round	9	31.59	34.73	37.29	31.85	31.59	35.04	47.48
	First round	17	32.85	38.98	37.95	40.49	32.85	40.83	38.50
Busan Spring 2024	Second round	20	39.13	40.18	42.32	40.17	39.66	40.72	39.13
	First round	28	40.60	45.58	43.93	40.60	50.72	49.55	43.27
Seoul Open 2024	First round	29	41.75	45.62	45.87	49.35	49.12	41.75	41.88
Korean Championship 2023	First round	23	40.07	43.90	43.69	45.27	40.07	42.74	45.45
Hamchang Open 2023	First round	20	39.53	48.61	1:07.81	40.62	56.81	39.53	48.41
Daegu Hot Spring 2023	First round	27	42.56	51.64	49.47	53.54	42.56	55.43	51.90
5x5x5 Cube
Seoul Winter 2026	First round	23	55.05	1:07.62	55.05	1:02.34	1:12.36	1:10.97	1:09.55
Korean Championship 2025	First round	22	1:00.63	1:04.75	1:03.15	1:07.17	1:00.63	1:03.92	DNF
Okcheon Autumn Breeze 2025	First round	13	59.22	1:10.13	1:10.20	1:09.40	1:12.00	1:10.79	59.22
Korea Open 2025	Second round	19	58.82	1:06.15	1:00.37	1:07.30	1:10.79	1:15.59	58.82
	First round	27	1:03.15	1:10.39	1:03.15	1:12.85	1:09.67	1:13.71	1:08.66
Please Big Cubes Korea 2025	Second round	14	56.67	1:01.65	56.67	1:03.93	1:00.50	1:00.52	1:09.90
	First round	23	1:03.65	1:08.63	1:03.65	1:08.83	1:09.08	1:07.98	1:16.05
Happy Suseong 2025	Second round	19	1:02.61	1:05.83	1:11.99	1:04.49	1:07.66	1:05.33	1:02.61
	First round	17	58.86	1:05.65	1:06.21	1:07.29	1:03.44	1:10.05	58.86
Hamchang Winter 2024	First round	18	1:01.32	1:07.77	1:01.32	1:10.06	1:05.10	1:08.14	1:12.29
Korean Championship 2024	Second round	20	1:07.75	1:08.07	1:19.63	1:08.15	1:07.75	1:08.24	1:07.83
	First round	25	59.22	1:14.83	1:16.17	1:09.44	59.22	1:18.87	1:21.31
Prime Cubing Day Seoul 2024	First round	18	1:04.62	1:12.08	1:14.24	1:27.72	1:10.48	1:11.51	1:04.62
Busan Spring 2024	First round	19	1:09.76	1:15.62	1:21.84	1:11.88	1:09.76	1:21.34	1:13.63
Daegu Cold Winter 2024	Second round	25	1:13.67	1:18.98	1:35.29	1:14.29	1:26.73	1:15.92	1:13.67
	First round	30	1:17.12	1:25.26	1:17.27	1:35.37	DNF	1:23.13	1:17.12
Daegu Hot Spring 2023	First round	40	1:49.83	2:07.03	2:07.65	2:06.68	1:49.83	2:06.75	2:13.57
6x6x6 Cube
Seoul Winter 2026	First round	27	2:13.78	2:24.74	2:32.37	2:28.08	2:13.78
Korea Open 2025	First round	22	1:58.33	2:12.49	2:14.50	1:58.33	2:24.65
Please Big Cubes Korea 2025	Second round	20	2:02.58	2:12.45	2:25.69	2:02.58	2:09.09
	First round	18	2:08.42	2:12.50	2:08.42	2:18.56	2:10.53
Anyang Haseyo 2025	Final	9	2:01.99	2:07.82	2:15.27	2:06.21	2:01.99
	First round	12	1:51.74	2:12.06	2:29.31	2:15.13	1:51.74
Hamchang Winter 2024	First round	18	2:15.20	2:25.36	2:15.20	2:39.06	2:21.83
Korean Championship 2024	First round	27	2:20.55	2:33.35	2:51.26	2:20.55	2:28.25
Busan Spring 2024	First round	27	2:52.49	2:57.18	2:52.49	2:52.96	3:06.08
Daegu Hot Spring 2023	Final	28	4:35.58	4:43.40	4:57.08	4:35.58	4:37.55
7x7x7 Cube
Seoul Winter 2026	First round	31	3:36.59	4:09.56	3:37.92	3:36.59	5:14.18
Okcheon Autumn Breeze 2025	First round	10	3:22.43	3:30.68	3:30.81	3:22.43	3:38.81
Korea Open 2025	First round	29	3:32.73	3:50.81	4:13.45	3:46.24	3:32.73
Please Big Cubes Korea 2025	Second round	17	3:11.30	3:20.55	3:11.30	3:22.52	3:27.82
	First round	22	3:20.48	3:33.36	3:43.03	3:20.48	3:36.57
Anyang Haseyo 2025	First round	14	3:08.97	3:27.25	3:18.91	3:53.87	3:08.97
Seoul Winter 2024	First round	39	3:23.70	DNF	3:23.70	3:39.98	DNF
Korean Championship 2024	Final	9	3:16.40	3:24.77	3:16.40	3:29.04	3:28.86
	First round	16	3:33.79	3:40.10	3:37.24	3:49.28	3:33.79
Prime Cubing Day Seoul 2024	First round	30	3:36.30	4:34.49	3:36.30	4:54.49	5:12.67
Daegu Cold Winter 2024	First round	29	3:46.38	4:07.97	4:28.19	4:09.35	3:46.38
Hamchang Open 2023	First round	29	4:12.20	5:02.95	4:12.20	4:14.04	6:42.62
Seoul Spring 2023	Final	34	5:15.55	5:31.27	5:36.34	5:41.92	5:15.55
3x3x3 Blindfolded
Seoul Spring 2023	Final	21	DNF	DNF	DNF	DNF	DNF
3x3x3 Fewest Moves
FMC Korea Spring 2024	Final	12	37	41.00	45	41	37
3x3x3 One-Handed
Ansan Summer 2024	First round	31	22.07	27.62	30.30	27.24	22.07	25.31	30.31
Clock
Okcheon Autumn Breeze 2025	First round	9	7.00	7.87	DNF	8.17	8.35	7.08	7.00
Korea Open 2025	Second round	24	6.53	8.05	DNF	7.75	7.90	6.53	8.49
	First round	17	6.05	7.49	6.48	8.30	8.06	6.05	7.93
Osan Summer 2025	Final	9	6.87	8.43	6.87	7.21	19.96	9.21	8.88
	First round	8	6.69	7.58	7.06	9.74	7.91	6.69	7.77
Anyang Haseyo 2025	Final	10	6.34	9.64	7.58	6.34	11.04	10.29	DNF
	First round	12	6.34	7.09	8.07	8.88	6.34	6.64	6.57
Korean Championship 2024	First round	21	6.77	9.78	10.28	9.57	6.77	DNF	9.50
Anyang Haseyo 2024	Final	10	8.21	8.55	8.49	8.36	DNF	8.21	8.80
	First round	12	7.91	8.31	8.12	8.25	7.91	8.57	9.41
Megaminx
Korean Championship 2025	First round	15	53.15	1:00.40	1:03.04	53.15	1:07.18	59.53	58.64
Korea Open 2025	Final	16	55.17	1:06.43	1:03.25	1:18.01	55.17	1:13.99	1:02.06
	First round	14	55.65	1:00.95	1:03.10	1:01.28	1:07.41	55.65	58.47
Suwon Summer 2025	Final	8	58.05	1:01.81	58.50	1:22.29	1:04.03	58.05	1:02.90
	First round	11	54.68	1:03.51	59.73	1:08.78	1:09.55	1:02.02	54.68
Please Minx Korea 2025	Final	13	56.15	59.34	56.15	1:04.13	56.16	1:02.28	59.57
	Second round	13	58.51	1:01.68	1:05.92	58.51	1:01.69	1:04.25	59.09
	First round	12	54.98	59.27	58.67	1:00.80	54.98	1:03.65	58.33
Hamchang Winter 2024	Final	11	50.54	1:00.05	1:02.42	50.54	1:08.96	57.51	1:00.23
	First round	10	50.26	56.34	54.10	1:01.65	50.26	1:00.12	54.81
Daegu Autumn 2024	Final	8	56.40	1:00.47	1:04.93	56.49	59.98	56.40	1:10.64
	First round	8	51.17	1:02.60	1:01.51	51.17	57.05	1:09.25	1:17.06
Korean Championship 2024	First round	19	1:13.90	1:17.51	1:18.10	1:13.90	1:15.98	1:26.20	1:18.46
Busan Spring 2024	First round	30	1:19.46	1:35.83	1:54.90	1:19.46	1:34.17	1:32.73	1:40.60
Skewb
Osan Summer 2025	Final	9	4.27	6.59	8.16	4.32	7.34	4.27	8.12
	First round	8	4.69	6.03	4.69	5.68	7.91	7.44	4.96
Happy Suseong 2025	First round	33	5.58	8.91	10.05	5.58	15.74	8.98	7.70
Daegu Autumn 2024	First round	26	5.47	7.09	11.01	5.47	6.15	7.32	7.81
Rubik's WCA World Championship 2023	First round	331	7.02	9.97	11.48	9.32	13.03	7.02	9.12
Ansan Spring 2023	First round	17	5.65	7.42	7.77	8.00	14.80	6.50	5.65
Square-1
Okcheon Autumn Breeze 2025	Final	7	8.76	14.44	16.33	8.76	15.44	14.39	13.48
	First round	6	11.40	13.06	13.72	11.95	11.40	13.52	19.35
Korea Open 2025	Final	14	14.27	20.52	22.34	16.44	DNF	22.78	14.27
	First round	5	9.52	12.44	16.32	11.25	9.52	13.08	13.00
Daejeon Spring 2025	Final	6	11.91	15.70	22.13	11.91	14.32	14.24	18.54
	First round	8	12.36	15.53	16.04	12.36	16.23	15.85	14.69
Happy Suseong 2025	Final	13	10.98	15.78	12.10	16.68	18.57	19.85	10.98
	Second round	13	11.09	15.40	16.47	18.28	14.20	15.53	11.09
	First round	10	12.36	16.15	32.39	14.76	14.50	12.36	19.20
Hamchang Winter 2024	Final	9	13.00	15.52	16.16	16.35	22.67	13.00	14.05
	First round	12	13.54	20.42	22.98	21.33	13.54	18.25	21.68
Daegu Autumn 2024	Final	11	13.80	20.46	13.80	16.80	29.81	24.87	19.72
	First round	7	15.26	17.29	20.47	15.99	15.42	21.30	15.26
Korean Championship 2024	First round	17	15.90	21.25	35.52	28.67	15.90	16.59	18.50
Hamchang Open 2023	First round	14	17.50	22.83	24.60	23.21	24.48	17.50	20.79
Rubik's WCA World Championship 2023	First round	155	16.97	20.18	16.97	19.86	21.13	19.92	20.77
Ansan Spring 2023	First round	30	30.05	36.53	36.02	47.81	30.05	33.59	39.97