In the past year (2023), Kozo Hasegawa competed in 2 competitions and 4 rounds across 3 events, from Jun 4th to Sep 9th.
Solves/Attempts
He attempted 20 solves and completed 19.
| Event | Solves | Attempts |
| 3x3x3 Cube | 10 | 10 |
| 4x4x4 Cube | 5 | 5 |
| 2x2x2 Cube | 4 | 5 |
Personal Bests
He broke his personal best 8 times across 3 events, including 4 singles and 4 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 4 | 2 | 2 |
| 2x2x2 Cube | 2 | 1 | 1 |
| 4x4x4 Cube | 2 | 1 | 1 |
Improvements of Single
| Event | ≤2022 | 2023 | Improvement |
| 3x3x3 Cube | - | 11.95 | - |
| 2x2x2 Cube | - | 5.32 | - |
| 4x4x4 Cube | - | 56.06 | - |
Improvements of Average
| Event | ≤2022 | 2023 | Improvement |
| 3x3x3 Cube | - | 13.39 | - |
| 2x2x2 Cube | - | 6.86 | - |
| 4x4x4 Cube | - | 59.69 | - |
Cubers
He met 306 cubers from 11 countries/regions, 39 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 267 |
| 2 | 39 |
| All | 306 |
Regions
He competed in 1 country/region.
