Head to head
Jack Pfeifer vs Joseph Ong
Two careers, 56 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 Joseph Ong (United States) have met in 56 rounds across 5 competitions since 2019. Counting every round where both finished with a result, Jack Pfeifer leads Joseph Ong: 47 finishes in front to 9.
On personal bests the split is just as plain: across 15 shared events, Jack Pfeifer holds the faster single in 13, Joseph Ong in 2.
Personal bests, side by side
faster single in bold| Event | Jack Pfeifer single | average | Joseph Ong single | average |
|---|---|---|---|---|
| 3×3 | 4.84 | 6.15 | 6.52 | 8.24 |
| 2×2 | 0.63 | 1.48 | 0.84 | 1.81 |
| 4×4 | 21.17 | 24.50 | 28.47 | 33.45 |
| 5×5 | 38.13 | 42.47 | 54.13 | 1:01.48 |
| 6×6 | 1:08.61 | 1:12.44 | 1:53.59 | 1:59.58 |
| 7×7 | 1:41.75 | 1:46.70 | 3:18.63 | 3:21.58 |
| 3×3 blindfolded | 29.52 | 37.46 | 1:25.30 | 2:12.75 |
| 3×3 Fewest Moves | 23 moves | 27.00 | 35 moves | 44.33 |
| 3×3 one-handed | 8.10 | 9.97 | 10.53 | 15.05 |
| Clock | 4.81 | 6.20 | 3.24 | 4.12 |
| Megaminx | 36.72 | 41.15 | 47.82 | 1:01.56 |
| Pyraminx | 1.59 | 2.66 | 2.58 | 4.94 |
| Skewb | 1.52 | 2.92 | 2.03 | 3.99 |
| Square-1 | 5.16 | 7.61 | 5.06 | 6.78 |
| 3×3 Multi-Blind | 8 of 9 cubes · 52:39 | — | 2 of 2 cubes · 18:15 | — |
Year by year
every meeting, 56 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Jack Pfeifer | Joseph Ong | ahead |
|---|---|---|---|---|---|---|
| 2026 | Rubik's WCA North American Championship 2026 | 2×2 | First round | 1.97 | 3.40 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | Second round | 6.42 | 9.65 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | First round | 7.30 | 9.95 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 one-handed | First round | 12.11 | 15.72 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | First round | 26.91 | 36.21 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 5×5 | First round | 45.28 | 1:12.82 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | Pyraminx | First round | 4.51 | 6.90 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | Skewb | First round | 4.16 | 6.92 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | Square-1 | First round | 8.93 | 9.14 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | Square-1 | Second round | 8.49 | 6.95 | Joseph Ong |
| 2025 | Rubik's WCA World Championship 2025 | 2×2 | First round | 2.13 | 4.06 | Jack Pfeifer |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 | First round | 7.52 | 9.50 | Jack Pfeifer |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 | Second round | 7.02 | 9.25 | Jack Pfeifer |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 one-handed | First round | 13.07 | 17.62 | Jack Pfeifer |
Full careers: Jack Pfeifer · Joseph Ong. 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.