Head to head
Ivan Li Ka Leong (李嘉亮) vs Zijian Cai (蔡子健)
Two careers, 198 shared rounds, one running count. Everything below comes from the official results the two of them posted in the same rounds of the same competitions.
Ivan Li Ka Leong (李嘉亮) (Hong Kong, China) and Zijian Cai (蔡子健) (China) have met in 198 rounds across 19 competitions since 2017. Counting every round where both finished with a result, Ivan Li Ka Leong (李嘉亮) leads Zijian Cai (蔡子健): 109 finishes in front to 89.
On personal bests the split is just as plain: across 13 shared events, Zijian Cai (蔡子健) holds the faster single in 9, Ivan Li Ka Leong (李嘉亮) in 4.
Personal bests, side by side
faster single in bold| Event | Ivan Li Ka Leong (李嘉亮) single | average | Zijian Cai (蔡子健) single | average |
|---|---|---|---|---|
| 3×3 | 5.13 | 6.63 | 4.12 | 5.84 |
| 2×2 | 1.16 | 1.96 | 0.69 | 1.64 |
| 4×4 | 20.08 | 22.32 | 18.82 | 22.42 |
| 5×5 | 37.22 | 40.75 | 37.42 | 43.99 |
| 6×6 | 1:12.69 | 1:17.52 | 1:25.62 | 1:30.22 |
| 7×7 | 1:55.66 | 2:01.66 | 2:18.09 | 2:27.09 |
| 3×3 Fewest Moves | 28 moves | 32.00 | 26 moves | 30.33 |
| 3×3 one-handed | 8.70 | 11.58 | 7.77 | 9.84 |
| Clock | 6.31 | 7.32 | 6.41 | 6.96 |
| Megaminx | 33.61 | 39.49 | 31.41 | 34.94 |
| Pyraminx | 1.84 | 3.04 | 1.49 | 2.32 |
| Skewb | 2.73 | 4.20 | 1.22 | 2.95 |
| Square-1 | 6.79 | 10.69 | 6.50 | 10.32 |
Year by year
every meeting, 198 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Ivan Li Ka Leong (李嘉亮) | Zijian Cai (蔡子健) | ahead |
|---|---|---|---|---|---|---|
| 2025 | Hong Kong Championship 2025 | 2×2 | Second round | 3.12 | 2.49 | Zijian Cai (蔡子健) |
| 2025 | Hong Kong Championship 2025 | 2×2 | First round | 2.63 | 3.11 | Ivan Li Ka Leong (李嘉亮) |
| 2025 | Hong Kong Championship 2025 | 3×3 | Final | 7.79 | 7.05 | Zijian Cai (蔡子健) |
| 2025 | Hong Kong Championship 2025 | 3×3 | Semi Final | 7.12 | 6.67 | Zijian Cai (蔡子健) |
| 2025 | Hong Kong Championship 2025 | 3×3 | Second round | 7.34 | 6.29 | Zijian Cai (蔡子健) |
| 2025 | Hong Kong Championship 2025 | 3×3 | First round | 9.47 | 6.93 | Zijian Cai (蔡子健) |
| 2025 | Hong Kong Championship 2025 | 3×3 one-handed | Second round | 13.38 | 11.23 | Zijian Cai (蔡子健) |
| 2025 | Hong Kong Championship 2025 | 3×3 one-handed | First round | 12.72 | 11.10 | Zijian Cai (蔡子健) |
| 2025 | Hong Kong Championship 2025 | 3×3 one-handed | Final | 15.11 | 12.10 | Zijian Cai (蔡子健) |
| 2025 | Hong Kong Championship 2025 | 4×4 | Second round | 23.26 | 26.34 | Ivan Li Ka Leong (李嘉亮) |
| 2025 | Hong Kong Championship 2025 | 4×4 | First round | 24.63 | 24.41 | Zijian Cai (蔡子健) |
| 2025 | Hong Kong Championship 2025 | 4×4 | Final | 23.87 | 23.65 | Zijian Cai (蔡子健) |
| 2025 | Hong Kong Championship 2025 | 5×5 | First round | 43.74 | 46.50 | Ivan Li Ka Leong (李嘉亮) |
| 2025 | Hong Kong Championship 2025 | 5×5 | Final | 43.97 | 51.36 | Ivan Li Ka Leong (李嘉亮) |
Full careers: Ivan Li Ka Leong (李嘉亮) · Zijian Cai (蔡子健). A meeting is a round of one event at one competition where both finished with a counted result. Who finished ahead follows official placing in the round: rounds played to an average are won on the average, best-of rounds on the single.