Head to head
Zach Ridall vs David Andron-Silva
Two careers, 44 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.
Zach Ridall (United States) and David Andron-Silva (United States) have met in 44 rounds across 5 competitions since 2023. Counting every round where both finished with a result, David Andron-Silva leads Zach Ridall: 25 finishes in front to 19.
On personal bests the split is just as plain: across 14 shared events, Zach Ridall holds the faster single in 7, David Andron-Silva in 7.
Personal bests, side by side
faster single in bold| Event | Zach Ridall single | average | David Andron-Silva single | average |
|---|---|---|---|---|
| 3×3 | 5.97 | 7.69 | 5.80 | 7.64 |
| 2×2 | 1.34 | 2.71 | 0.92 | 1.55 |
| 4×4 | 30.36 | 34.06 | 34.42 | 41.01 |
| 5×5 | 59.42 | 1:07.15 | 1:07.28 | 1:14.27 |
| 6×6 | 1:49.97 | 1:58.45 | 3:00.04 | 3:13.19 |
| 7×7 | 3:23.79 | 3:31.59 | 5:18.84 | 5:33.08 |
| 3×3 blindfolded | 1:13.35 | 3:55.49 | 4:20.81 | — |
| 3×3 Fewest Moves | 25 moves | 34.00 | 36 moves | 37.33 |
| 3×3 one-handed | 14.84 | 18.76 | 9.70 | 14.38 |
| Clock | 3.08 | 4.67 | 3.12 | 3.92 |
| Megaminx | 1:13.06 | 1:25.73 | 51.00 | 58.52 |
| Pyraminx | 2.23 | 5.36 | 1.08 | 1.54 |
| Skewb | 2.13 | 3.58 | 1.11 | 2.44 |
| Square-1 | 4.53 | 7.12 | 4.29 | 8.35 |
Year by year
every meeting, 44 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Zach Ridall | David Andron-Silva | ahead |
|---|---|---|---|---|---|---|
| 2026 | Rubik's WCA North American Championship 2026 | 2×2 | First round | 4.16 | 2.57 | David Andron-Silva |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | First round | 10.34 | 8.75 | David Andron-Silva |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | First round | 34.75 | 46.40 | Zach Ridall |
| 2026 | Rubik's WCA North American Championship 2026 | Clock | First round | 5.25 | 3.85 | Zach Ridall |
| 2026 | Rubik's WCA North American Championship 2026 | Skewb | First round | 4.91 | 3.48 | David Andron-Silva |
| 2026 | Rubik's WCA North American Championship 2026 | Square-1 | First round | 9.55 | 9.38 | David Andron-Silva |
| 2025 | Rubik's WCA World Championship 2025 | 2×2 | First round | 3.32 | 2.73 | David Andron-Silva |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 | First round | 10.27 | 9.20 | David Andron-Silva |
| 2025 | Rubik's WCA World Championship 2025 | 4×4 | First round | 39.03 | 47.36 | Zach Ridall |
| 2025 | Rubik's WCA World Championship 2025 | Clock | First round | 5.78 | 4.81 | David Andron-Silva |
| 2025 | Rubik's WCA World Championship 2025 | Pyraminx | First round | 7.33 | 2.43 | David Andron-Silva |
| 2025 | Rubik's WCA World Championship 2025 | Skewb | First round | 5.46 | 5.59 | Zach Ridall |
| 2025 | Rubik's WCA World Championship 2025 | Square-1 | First round | 8.31 | 15.23 | Zach Ridall |
| 2024 | Rubik's WCA North American Championship 2024 | 2×2 | Second round | 3.29 | 2.83 | David Andron-Silva |
Full careers: Zach Ridall · David Andron-Silva. 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.