In the past year (2025), Haohan Zheng (郑皓涵) competed in 15 competitions and 106 rounds across 14 events, from Jun 15th to Jan 1st.
Podiums
He has been on the podium 6 times across 2 events, including 3 golds, 2 silvers, and 1 bronze.
| Event | Gold | Silver | Bronze |
| Square-1 | 2 | 1 | 1 |
| Megaminx | 1 | 1 | |
Solves/Attempts
He attempted 502 solves and completed 487.
| Event | Solves | Attempts |
| 3x3x3 Cube | 79 | 80 |
| Square-1 | 55 | 55 |
| Pyraminx | 54 | 55 |
| Clock | 51 | 55 |
| Skewb | 50 | 50 |
| 2x2x2 Cube | 40 | 40 |
| Megaminx | 40 | 40 |
| 4x4x4 Cube | 35 | 35 |
| 3x3x3 One-Handed | 35 | 35 |
| 5x5x5 Cube | 20 | 20 |
| 6x6x6 Cube | 12 | 12 |
| 3x3x3 Fewest Moves | 10 | 12 |
| 7x7x7 Cube | 6 | 7 |
| 3x3x3 Blindfolded | 0 | 6 |
Personal Bests
He broke his personal best 56 times across 13 events, including 27 singles and 29 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 8 | 4 | 4 |
| 6x6x6 Cube | 7 | 4 | 3 |
| Clock | 7 | 4 | 3 |
| 3x3x3 Fewest Moves | 5 | 3 | 2 |
| Skewb | 5 | 3 | 2 |
| 5x5x5 Cube | 4 | 1 | 3 |
| 3x3x3 One-Handed | 4 | 2 | 2 |
| Megaminx | 4 | 1 | 3 |
| 4x4x4 Cube | 3 | 1 | 2 |
| Pyraminx | 3 | 1 | 2 |
| 2x2x2 Cube | 2 | 2 | 0 |
| 7x7x7 Cube | 2 | 1 | 1 |
| Square-1 | 2 | 0 | 2 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 2x2x2 Cube | 2.91 | 1.29 | 1.62 (125.58%) |
| Skewb | 4.66 | 3.05 | 1.61 (52.79%) |
| Clock | 8.02 | 5.63 | 2.39 (42.45%) |
| 3x3x3 One-Handed | 16.12 | 11.74 | 4.38 (37.31%) |
| 6x6x6 Cube | 2:57.98 | 2:10.79 | 47.19 (36.08%) |
| 7x7x7 Cube | 4:54.96 | 3:45.20 | 1:09.76 (30.98%) |
| 5x5x5 Cube | 1:25.09 | 1:06.01 | 19.08 (28.90%) |
| Pyraminx | 2.80 | 2.25 | 0.55 (24.44%) |
| Megaminx | 44.45 | 38.86 | 5.59 (14.38%) |
| 3x3x3 Cube | 10.34 | 9.14 | 1.20 (13.13%) |
| 4x4x4 Cube | 35.00 | 32.00 | 3.00 (9.38%) |
| 3x3x3 Fewest Moves | - | 22 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| Skewb | 6.77 | 4.28 | 2.49 (58.18%) |
| Clock | 10.20 | 6.63 | 3.57 (53.85%) |
| 6x6x6 Cube | 3:03.76 | 2:14.61 | 49.15 (36.51%) |
| 5x5x5 Cube | 1:35.81 | 1:15.28 | 20.53 (27.27%) |
| 3x3x3 Cube | 12.03 | 9.74 | 2.29 (23.51%) |
| Square-1 | 8.70 | 7.20 | 1.50 (20.83%) |
| Pyraminx | 5.13 | 4.49 | 0.64 (14.25%) |
| 4x4x4 Cube | 40.92 | 37.05 | 3.87 (10.45%) |
| 3x3x3 One-Handed | 17.50 | 16.33 | 1.17 (7.16%) |
| Megaminx | 49.08 | 46.74 | 2.34 (5.01%) |
| 3x3x3 Fewest Moves | - | 26.33 | - |
| 7x7x7 Cube | - | 3:55.99 | - |
Cubers
He met 1820 cubers from 44 countries/regions, 379 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 1441 |
| 2 | 204 |
| 3 | 86 |
| 4 | 42 |
| 5 | 22 |
| 6 | 15 |
| 7 | 4 |
| 8 | 3 |
| 9 | 1 |
| 10 | 2 |
| All | 1820 |
Regions
He competed in 2 countries/regions.
| Region | Times |
| China | 12 |
| Vietnam | 1 |
Cities
In China, he visited 7 cities while competing.
| City | Times |
| Zhengzhou | 3 |
| Xi'an | 2 |
| Guangzhou | 2 |
| Kunming | 1 |
| Zhuhai | 1 |
| Taizhou | 1 |
| Hangzhou | 1 |
