Head to head
Ethan Zhuang vs Curtis Chai
Two careers, 622 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.
Ethan Zhuang (United States) and Curtis Chai (United States) have met in 622 rounds across 57 competitions since 2022. Counting every round where both finished with a result, Curtis Chai leads Ethan Zhuang: 466 finishes in front to 156.
On personal bests the split is just as plain: across 10 shared events, Curtis Chai holds the faster single in 7, Ethan Zhuang in 3.
Personal bests, side by side
faster single in bold| Event | Ethan Zhuang single | average | Curtis Chai single | average |
|---|---|---|---|---|
| 3×3 | 5.09 | 6.78 | 4.96 | 6.03 |
| 2×2 | 0.66 | 1.09 | 0.70 | 1.11 |
| 4×4 | 31.91 | 35.50 | 20.53 | 24.23 |
| 5×5 | 1:36.29 | 1:48.82 | 43.49 | 48.84 |
| 3×3 one-handed | 10.03 | 12.90 | 10.26 | 12.02 |
| Clock | 2.35 | 2.96 | 2.72 | 3.69 |
| Megaminx | 1:18.88 | 1:31.89 | 36.17 | 38.75 |
| Pyraminx | 1.63 | 2.87 | 1.15 | 1.86 |
| Skewb | 1.46 | 2.62 | 1.39 | 2.52 |
| Square-1 | 7.58 | 10.24 | 5.85 | 9.14 |
Year by year
every meeting, 622 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Ethan Zhuang | Curtis Chai | ahead |
|---|---|---|---|---|---|---|
| 2026 | CubingUSA New England Championship 2026 | 2×2 | First round | 2.08 | 2.01 | Curtis Chai |
| 2026 | CubingUSA New England Championship 2026 | 3×3 | Second round | 7.03 | 6.77 | Curtis Chai |
| 2026 | CubingUSA New England Championship 2026 | 3×3 | First round | 8.09 | 6.50 | Curtis Chai |
| 2026 | CubingUSA New England Championship 2026 | 3×3 one-handed | Final | 12.90 | 13.56 | Ethan Zhuang |
| 2026 | CubingUSA New England Championship 2026 | 3×3 one-handed | First round | 15.67 | 12.10 | Curtis Chai |
| 2026 | CubingUSA New England Championship 2026 | 5×5 | First round | 1:49.33 | 52.77 | Curtis Chai |
| 2026 | CubingUSA New England Championship 2026 | Clock | First round | 2.91 | 4.72 | Curtis Chai |
| 2026 | CubingUSA New England Championship 2026 | Pyraminx | First round | 4.17 | 4.09 | Curtis Chai |
| 2026 | CubingUSA New England Championship 2026 | Pyraminx | Second round | 2.87 | 5.53 | Ethan Zhuang |
| 2026 | CubingUSA New England Championship 2026 | Square-1 | Final | 10.77 | 9.36 | Curtis Chai |
| 2026 | CubingUSA New England Championship 2026 | Square-1 | First round | 10.94 | 10.24 | Curtis Chai |
| 2026 | Brookline Favorites IV 2026 | 2×2 | First round | 1.40 | 1.34 | Curtis Chai |
| 2026 | Brookline Favorites IV 2026 | 2×2 | Final | 1.84 | 1.43 | Curtis Chai |
| 2026 | Brookline Favorites IV 2026 | 3×3 | First round | 8.64 | 6.62 | Curtis Chai |
Full careers: Ethan Zhuang · Curtis Chai. 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.