In the past year (2025), Tôn Hữu Đăng Khoa competed in 2 competitions and 9 rounds across 6 events, from Apr 12th to Aug 17th.
Solves/Attempts
He attempted 41 solves and completed 40.
| Event | Solves | Attempts |
| 3x3x3 Cube | 10 | 10 |
| 2x2x2 Cube | 10 | 10 |
| 3x3x3 One-Handed | 10 | 10 |
| 4x4x4 Cube | 5 | 5 |
| Megaminx | 5 | 5 |
| 7x7x7 Cube | 0 | 1 |
Personal Bests
He broke his personal best 11 times across 5 events, including 5 singles and 6 averages.
| Event | Times | Single | Average |
| 3x3x3 One-Handed | 4 | 2 | 2 |
| 3x3x3 Cube | 2 | 1 | 1 |
| 4x4x4 Cube | 2 | 1 | 1 |
| Megaminx | 2 | 1 | 1 |
| 2x2x2 Cube | 1 | 0 | 1 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 4x4x4 Cube | 1:58.04 | 56.85 | 1:01.19 (107.63%) |
| 3x3x3 One-Handed | 24.54 | 21.19 | 3.35 (15.81%) |
| 3x3x3 Cube | 12.81 | 12.17 | 0.64 (5.26%) |
| Megaminx | - | 1:52.36 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 One-Handed | 31.81 | 24.18 | 7.63 (31.56%) |
| 2x2x2 Cube | 5.52 | 5.05 | 0.47 (9.31%) |
| 3x3x3 Cube | 16.63 | 15.30 | 1.33 (8.69%) |
| 4x4x4 Cube | - | 1:08.09 | - |
| Megaminx | - | 1:57.90 | - |
Cubers
He met 286 cubers from 17 countries/regions, 72 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 214 |
| 2 | 72 |
| All | 286 |
Regions
He competed in 1 country/region.
