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The Middle Three
People → Republic of Korea → Seung Jae Han

People · Republic of Korea

Seung Jae Han

3×3 · top 2.3% of 284,439 all-time · competing since April 2017 · 2017HANS08

Seung Jae Han has been competing for 9 years. His best event is the 3×3: a personal-best single of 7.72, set at Brown Fall Seongnam 2024, puts him in the top 2.3% of the 284,439 people who have ever been ranked in the event, and 138th in Republic of Korea. Until July 2008, no official 3×3 solve in the world had been that fast. Across 19 competitions since April 2017, he has put 472 official solves on the record across twelve events. Solve to solve, his 3×3 times vary about 17% around a typical one; 96% of the 35,811 competitors with ten or more counted rounds hold a tighter spread. His 3×3 best has come down from 13.42 in April 2017 to 7.72, a 42% improvement. Seung has entered 19 competitions, more competitions than 97% of everyone who has ever competed.

3×3
best event — top 2.3% of 284,439 all-time
7.72
signature single · Brown Fall Seongnam 2024
472
official solves on the record
17%
solve-to-solve spread · wider than 96% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingRepublic of Korea
3×37.7210.79
top 2.3%138 / 4,352
4×435.5745.55
top 7.2%154 / 1,308
Square-112.0316.17
top 10.0%39 / 371
2×22.873.95
top 12.8%383 / 2,319
5×51:15.151:35.92
top 15.4%162 / 716
Pyraminx5.768.57
top 18.2%292 / 1,271
Skewb7.099.77
top 34.3%354 / 854
Megaminx1:40.141:55.73
top 34.7%226 / 524
6×63:11.363:22.62
top 46.5%185 / 329
7×74:50.335:14.71
top 47.8%149 / 254
3×3 one-handed31.5234.27
top 50.1%604 / 966
Clock21.7024.90
top 69.4%433 / 536

Percentile against all competitors ever ranked in each event, a fairer measure than raw rank, because the pools differ by a factor of ten.

The line so far

KAIST Spring 2017: 13.42Korean Championship 2017: 15.65Jeju Open 2017: 12.13Korean Championship 2018: 13.75Cubing Korea 2019: 11.79ByeolLae Open 2020: 11.81Korean Spring 2022: 12.28Seoul Summer 2022: 11.22Korean Championship 2022: 10.36Daegu Hot Spring 2023: 10.53Seoul Spring 2023: 11.36Rubik's WCA World Championship 2023: 9.59Seoul Open 2024: 10.09Daegu Cold Winter 2024: 8.30Korean Championship 2024: 7.80Brown Fall Seongnam 2024: 7.72Seoul Winter 2024: 10.02Korea Open 2025: 9.97Korea Open 2026: 8.707.7215.659 Apr 201715 Aug 2026

Best single per competition, 3×3. Faster is higher — the axis is the right way up.

The story so far

Competitions

Reading this page: a single is one solve's time · an average is the middle three of five solves, best and worst discarded · a PB is a personal best · a DNF (did not finish) is an attempt with no valid result: a popped piece, an unsolved face, an over-limit memorisation · top X% compares against everyone ever ranked in that event, which is fairer than raw rank because event pools differ tenfold.

The circuit

The people whose scorecards keep turning up next to his.

Next targets

  • A sub-6 3×3 single — 1,376 people have one; it is 1.72 away.
  • A sub-30 4×4 single — 2,388 people have one; it is 5.57 away.

Targets move as he improves.