Head to head
Eva Kato (加藤映葉) vs Zach Ridall
Two careers, 108 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.
Eva Kato (加藤映葉) (Japan) and Zach Ridall (United States) have met in 108 rounds across 11 competitions since 2018. Counting every round where both finished with a result, Eva Kato (加藤映葉) leads Zach Ridall: 96 finishes in front to 12.
On personal bests the split is just as plain: across 14 shared events, Eva Kato (加藤映葉) holds the faster single in 10, Zach Ridall in 3.
Personal bests, side by side
faster single in bold| Event | Eva Kato (加藤映葉) single | average | Zach Ridall single | average |
|---|---|---|---|---|
| 3×3 | 5.46 | 7.21 | 5.97 | 7.69 |
| 2×2 | 0.91 | 1.77 | 1.34 | 2.71 |
| 4×4 | 25.37 | 29.41 | 30.36 | 34.06 |
| 5×5 | 53.37 | 57.75 | 59.42 | 1:07.15 |
| 6×6 | 1:46.85 | 1:55.37 | 1:49.97 | 1:58.45 |
| 7×7 | 2:55.62 | 3:05.43 | 3:23.79 | 3:31.59 |
| 3×3 blindfolded | 55.08 | 1:10.88 | 1:13.35 | 3:55.49 |
| 3×3 Fewest Moves | 25 moves | 30.00 | 25 moves | 34.00 |
| 3×3 one-handed | 10.86 | 14.69 | 14.84 | 18.76 |
| Clock | 7.79 | 8.10 | 3.08 | 4.67 |
| Megaminx | 42.62 | 46.31 | 1:13.06 | 1:25.73 |
| Pyraminx | 2.33 | 3.66 | 2.23 | 5.36 |
| Skewb | 1.71 | 3.97 | 2.13 | 3.58 |
| Square-1 | 5.18 | 7.51 | 4.53 | 7.12 |
Year by year
every meeting, 108 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Eva Kato (加藤映葉) | Zach Ridall | ahead |
|---|---|---|---|---|---|---|
| 2026 | Mid-Atlantic Warm-Up 2026 | 3×3 | First round | 7.93 | 8.83 | Eva Kato (加藤映葉) |
| 2026 | Mid-Atlantic Warm-Up 2026 | 3×3 | Final | 7.11 | 7.69 | Zach Ridall |
| 2026 | Mid-Atlantic Warm-Up 2026 | 3×3 | Second round | 8.98 | 9.37 | Eva Kato (加藤映葉) |
| 2026 | Mid-Atlantic Warm-Up 2026 | 3×3 one-handed | First round | 16.12 | 22.45 | Eva Kato (加藤映葉) |
| 2026 | Mid-Atlantic Warm-Up 2026 | 4×4 | Final | 31.32 | 34.92 | Eva Kato (加藤映葉) |
| 2026 | Mid-Atlantic Warm-Up 2026 | Clock | First round | 8.69 | 6.56 | Zach Ridall |
| 2026 | Mid-Atlantic Warm-Up 2026 | Square-1 | Final | 7.60 | 7.12 | Zach Ridall |
| 2026 | Mid-Atlantic Warm-Up 2026 | Square-1 | First round | 10.26 | 8.79 | Zach Ridall |
| 2025 | Rubik's WCA World Championship 2025 | 2×2 | First round | 2.51 | 3.32 | Eva Kato (加藤映葉) |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 | First round | 8.15 | 10.27 | Eva Kato (加藤映葉) |
| 2025 | Rubik's WCA World Championship 2025 | 4×4 | First round | 31.98 | 39.03 | Eva Kato (加藤映葉) |
| 2025 | Rubik's WCA World Championship 2025 | 5×5 | First round | 1:04.09 | 1:15.89 | Eva Kato (加藤映葉) |
| 2025 | Rubik's WCA World Championship 2025 | 6×6 | First round | 1:55.37 | 2:27.73 | Eva Kato (加藤映葉) |
| 2025 | Rubik's WCA World Championship 2025 | Pyraminx | First round | 5.66 | 7.33 | Eva Kato (加藤映葉) |
Full careers: Eva Kato (加藤映葉) · Zach Ridall. 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.