Haohan Zheng (郑皓涵)
Hanoi Summer 2025
WCA ID: 2019ZHEN38
Country: China 
Active since: 2019
13
Events Entered80
Official Solves1
Best Position (Square-1)Square-1
Best Event7.20s
Best Result (Square-1)12
PBs AchievedEvents
3x3x3 Cube
2x2x2 Cube
4x4x4 Cube
5x5x5 Cube
6x6x6 Cube
7x7x7 Cube
3x3x3 Blindfolded
3x3x3 Fewest Moves
3x3x3 One-Handed
Clock
Megaminx
Pyraminx
Skewb
Square-1
3x3x3 Multi-Blind
Competitions
Selangor Cube Open 2026
FMC Nanjing 2026
Xianju Bayberry 2026
FMC World 2026
Guangzhou Special 2026
More Than One Cube Shanghai 2026
Quanzhou Blindfolded 2026
Quanzhou Summer 2026
Hangzhou Open 2026
Chengdu Embracing Summer 2026
Foshan Open 2026
Start of Summer Beijing 2026
Deqing Small & Special 2026
Xi'an Cherry Blossom 2026
FMCanton Haizhu 2026
FMCanton Nansha 2026
Zhuhai Pi Day 2026
Xianju Special 2026
Guangdong Open - Revival & Rival 2026
Canton Countdown 2025
Zhengzhou Zeal 2025
Zhengzhou Zest 2025
Guangzhou Big Cubes 2025
FMC under the Mistletoe 2025
FMC Cubing China 2025
Hangzhou Winter 2025
Xi'an Autumn 2025
Hanoi Summer 2025
Zhengzhou Summer IV 2025
FMC Asia 2025
Taizhou Open 2025
Xi'an Summer 2025
Yunnan Open 2025
Zhuhai Open 2025
Chengdu Summer 2024
Guangdong Open 2021
Shaoxing Afternoon 2021
Huzhou Open 2019
Competition Event Summary
| Event | Round Reached | Single | Average | Position |
|---|---|---|---|---|
| 3x3x3 Cube | Second round | 11.57s | 12.42s | #63 |
| 2x2x2 Cube | First round | 1.29s | 4.31s | #40 |
| 4x4x4 Cube | First round | 32.00s | 37.55s | #19 |
| 5x5x5 Cube | First round | 1:06.01 | 1:22.84 | #22 |
| 6x6x6 Cube | Final | 2:27.40 | 2:32.99 | #13 |
| 7x7x7 Cube | Final | 3:45.20 | 3:55.99 | #11 |
| 3x3x3 Blindfolded | First round | — | — | #13 |
| 3x3x3 One-Handed | First round | 16.31s | 19.95s | #27 |
| Clock | Final | 6.65s | 7.69s | #9 |
| Megaminx | Final | 43.62s | 46.74s | #1 |
| Pyraminx | Final | 3.81s | 5.78s | #11 |
| Skewb | Final | 3.64s | 5.30s | #8 |
| Square-1 | Final | 8.42s | 8.70s | #1 |
Event Ranking Chart
Competition Round Breakdown
3x3x3 Cube
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Second round | #63 | 11.57s | 12.42s | 12.35s | 12.06s | 12.85s | (11.57s) | (14.01s) |
| First round | #57 | 10.16s | 11.84s | (13.80s) | 11.63s | (10.16s) | 13.00s | 10.90s |
2x2x2 Cube
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| First round | #40 | 1.29s | 4.31s | 5.22s | 2.28s | 5.43s | (1.29s) | (5.45s) |
4x4x4 Cube
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| First round | #19 | 32.00s | 37.55s | 33.94s | 37.73s | (50.15s) | (32.00s) | 40.98s |
5x5x5 Cube
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| First round | #22 | 1:06.01 | 1:22.84 | (1:36.16) | 1:33.60 | (1:06.01) | 1:16.93 | 1:17.98 |
6x6x6 Cube
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Final | #13 | 2:27.40 | 2:32.99 | 2:36.98 | 2:34.59 | 2:27.40 | — | — |
7x7x7 Cube
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Final | #11 | 3:45.20 | 3:55.99 | 3:45.20 | 4:02.60 | 4:00.18 | — | — |
3x3x3 Blindfolded
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| First round | #13 | — | — | DNF | DNF | DNF | — | — |
3x3x3 One-Handed
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| First round | #27 | 16.31s | 19.95s | 22.90s | (23.38s) | 20.63s | (16.31s) | 16.31s |
Clock
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Final | #9 | 6.65s | 7.69s | 6.89s | 7.29s | (6.65s) | 8.89s | (DNF) |
| First round | #6 | 5.85s | 6.63s | 6.58s | 7.18s | (7.59s) | 6.12s | (5.85s) |
Megaminx
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Final | #1 | 43.62s | 46.74s | (52.76s) | 45.69s | 47.90s | (43.62s) | 46.64s |
Pyraminx
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Final | #11 | 3.81s | 5.78s | 5.23s | (8.65s) | (3.81s) | 5.72s | 6.38s |
| First round | #8 | 3.54s | 5.02s | (6.41s) | 4.73s | 4.35s | 5.99s | (3.54s) |
Skewb
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Final | #8 | 3.64s | 5.30s | (3.64s) | 4.20s | 7.08s | 4.62s | (10.14s) |
| First round | #14 | 3.65s | 5.78s | (7.45s) | (3.65s) | 6.59s | 4.03s | 6.73s |
Square-1
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Final | #1 | 8.42s | 8.70s | (8.42s) | (8.86s) | 8.60s | 8.85s | 8.64s |
| First round | #1 | 6.34s | 7.20s | 6.55s | 6.94s | 8.10s | (8.51s) | (6.34s) |
PBs Achieved
| Event | Type | Previous PB | New PB | Improvement |
|---|---|---|---|---|
| 2x2x2 Cube | Single | 2.75s | 1.29s | -1.46s |
| 4x4x4 Cube | Average | 40.92s | 37.55s | -3.37s |
| 4x4x4 Cube | Single | 35.00s | 32.00s | -3.00s |
| 5x5x5 Cube | Average | 1:35.81 | 1:22.84 | -12.97s |
| 5x5x5 Cube | Single | 1:25.09 | 1:06.01 | -19.08s |
| 6x6x6 Cube | Average | 3:03.76 | 2:32.99 | -30.77s |
| 6x6x6 Cube | Single | 2:57.98 | 2:27.40 | -30.58s |
| 7x7x7 Cube | Average | First official result | 3:55.99 | — |
| 7x7x7 Cube | Single | 4:54.96 | 3:45.20 | -1:09.76 |
| Clock | Average | 6.96s | 6.63s | -0.33s |
| Megaminx | Average | 48.32s | 46.74s | -1.58s |
| Square-1 | Average | 8.57s | 7.20s | -1.37s |
✉️
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