Head to head
Jack Pfeifer vs Zach Ridall
Two careers, 70 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.
Jack Pfeifer (United States) and Zach Ridall (United States) have met in 70 rounds across 7 competitions since 2019. Counting every round where both finished with a result, Jack Pfeifer leads Zach Ridall: 62 finishes in front to 8.
On personal bests the split is just as plain: across 14 shared events, Jack Pfeifer holds the faster single in 12, Zach Ridall in 2.
Personal bests, side by side
faster single in bold| Event | Jack Pfeifer single | average | Zach Ridall single | average |
|---|---|---|---|---|
| 3×3 | 4.84 | 6.15 | 5.97 | 7.69 |
| 2×2 | 0.63 | 1.48 | 1.34 | 2.71 |
| 4×4 | 21.17 | 24.50 | 30.36 | 34.06 |
| 5×5 | 38.13 | 42.47 | 59.42 | 1:07.15 |
| 6×6 | 1:08.61 | 1:12.44 | 1:49.97 | 1:58.45 |
| 7×7 | 1:41.75 | 1:46.70 | 3:23.79 | 3:31.59 |
| 3×3 blindfolded | 29.52 | 37.46 | 1:13.35 | 3:55.49 |
| 3×3 Fewest Moves | 23 moves | 27.00 | 25 moves | 34.00 |
| 3×3 one-handed | 8.10 | 9.97 | 14.84 | 18.76 |
| Clock | 4.81 | 6.20 | 3.08 | 4.67 |
| Megaminx | 36.72 | 41.15 | 1:13.06 | 1:25.73 |
| Pyraminx | 1.59 | 2.66 | 2.23 | 5.36 |
| Skewb | 1.52 | 2.92 | 2.13 | 3.58 |
| Square-1 | 5.16 | 7.61 | 4.53 | 7.12 |
Year by year
every meeting, 70 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Jack Pfeifer | Zach Ridall | ahead |
|---|---|---|---|---|---|---|
| 2026 | Rubik's WCA North American Championship 2026 | 2×2 | First round | 1.97 | 4.16 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | First round | 7.30 | 10.34 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | First round | 26.91 | 34.75 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 5×5 | First round | 45.28 | 1:11.90 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | Skewb | First round | 4.16 | 4.91 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | Square-1 | First round | 8.93 | 9.55 | Jack Pfeifer |
| 2025 | Rubik's WCA World Championship 2025 | 2×2 | First round | 2.13 | 3.32 | Jack Pfeifer |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 | First round | 7.52 | 10.27 | Jack Pfeifer |
| 2025 | Rubik's WCA World Championship 2025 | 4×4 | First round | 27.12 | 39.03 | Jack Pfeifer |
| 2025 | Rubik's WCA World Championship 2025 | 5×5 | First round | 47.32 | 1:15.89 | Jack Pfeifer |
| 2025 | Rubik's WCA World Championship 2025 | 6×6 | First round | 1:21.82 | 2:27.73 | Jack Pfeifer |
| 2025 | Rubik's WCA World Championship 2025 | Clock | First round | 7.07 | 5.78 | Zach Ridall |
| 2025 | Rubik's WCA World Championship 2025 | Pyraminx | First round | 3.76 | 7.33 | Jack Pfeifer |
| 2025 | Rubik's WCA World Championship 2025 | Skewb | First round | 4.08 | 5.46 | Jack Pfeifer |
Full careers: Jack Pfeifer · 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.