Head to head
Jack Pfeifer vs Christopher Sun
Two careers, 136 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 Christopher Sun (United States) have met in 136 rounds across 8 competitions since 2019. Counting every round where both finished with a result, Jack Pfeifer leads Christopher Sun: 71 finishes in front to 64 and 1 tie.
On personal bests the split is just as plain: across 17 shared events, Jack Pfeifer holds the faster single in 10, Christopher Sun in 7.
Personal bests, side by side
faster single in bold| Event | Jack Pfeifer single | average | Christopher Sun single | average |
|---|---|---|---|---|
| 3×3 | 4.84 | 6.15 | 4.14 | 5.69 |
| 2×2 | 0.63 | 1.48 | 0.80 | 1.72 |
| 4×4 | 21.17 | 24.50 | 20.51 | 24.01 |
| 5×5 | 38.13 | 42.47 | 40.19 | 44.61 |
| 6×6 | 1:08.61 | 1:12.44 | 1:19.18 | 1:25.41 |
| 7×7 | 1:41.75 | 1:46.70 | 2:10.30 | 2:12.56 |
| 3×3 blindfolded | 29.52 | 37.46 | 21.67 | 51.88 |
| 3×3 Fewest Moves | 23 moves | 27.00 | 34 moves | 38.00 |
| 3×3 one-handed | 8.10 | 9.97 | 11.06 | 13.06 |
| Clock | 4.81 | 6.20 | 7.04 | 7.68 |
| Megaminx | 36.72 | 41.15 | 36.16 | 41.88 |
| Pyraminx | 1.59 | 2.66 | 2.16 | 4.62 |
| Skewb | 1.52 | 2.92 | 3.46 | 4.30 |
| Square-1 | 5.16 | 7.61 | 7.75 | 11.88 |
| 4×4 blindfolded | 6:47.82 | 7:57.64 | 2:49.27 | 3:14.57 |
| 5×5 blindfolded | 25:03.00 | — | 6:22.89 | 9:17.36 |
| 3×3 Multi-Blind | 8 of 9 cubes · 52:39 | — | 22 of 25 cubes · 58:11 | — |
Year by year
every meeting, 136 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Jack Pfeifer | Christopher Sun | ahead |
|---|---|---|---|---|---|---|
| 2026 | Rubik's WCA North American Championship 2026 | 2×2 | First round | 1.97 | 2.61 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | Semi Final | 6.77 | 6.92 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | Second round | 6.42 | 6.49 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | First round | 7.30 | 6.37 | Christopher Sun |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 blindfolded | First round | 1:16.76 | 51.88 | Christopher Sun |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 one-handed | First round | 12.11 | 15.93 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | Second round | 28.37 | 27.23 | Christopher Sun |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | First round | 26.91 | 24.68 | Christopher Sun |
| 2026 | Rubik's WCA North American Championship 2026 | 5×5 | Second round | 44.35 | 46.69 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 5×5 | First round | 45.28 | 46.15 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 5×5 | Final | 46.41 | 46.80 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 6×6 | First round | 1:20.02 | 1:31.16 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 6×6 | Final | 1:20.38 | 1:33.17 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 7×7 | First round | 1:57.58 | 2:21.19 | Jack Pfeifer |
Full careers: Jack Pfeifer · Christopher Sun. 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.