In the past year (2025), Sung Siwoo (성시우) competed in 2 competitions and 10 rounds across 3 events, from Jun 15th to Sep 20th.
Solves/Attempts
He attempted 50 solves and completed 49.
| Event | Solves | Attempts |
| 3x3x3 Cube | 24 | 25 |
| Pyraminx | 20 | 20 |
| 2x2x2 Cube | 5 | 5 |
Personal Bests
He broke his personal best 4 times across 2 events, including 2 singles and 2 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 3 | 2 | 1 |
| Pyraminx | 1 | 0 | 1 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Cube | 7.93 | 6.89 | 1.04 (15.09%) |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| Pyraminx | 4.21 | 3.47 | 0.74 (21.33%) |
| 3x3x3 Cube | 10.05 | 8.63 | 1.42 (16.45%) |
Cubers
He met 346 cubers from 10 countries/regions, 21 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 325 |
| 2 | 21 |
| All | 346 |
Regions
He competed in 2 countries/regions.
| Region | Times |
| Hong Kong | 1 |
| China | 1 |
Cities
In China, he visited 2 cities while competing.
| City | Times |
| Hong Kong | 1 |
| Zhuhai | 1 |