Head to head
Jonah Crosby vs Seung Hyuk Nahm (남승혁)
Two careers, 54 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.
Jonah Crosby (United States) and Seung Hyuk Nahm (남승혁) (Republic of Korea) have met in 54 rounds across 6 competitions since 2017. Counting every round where both finished with a result, Seung Hyuk Nahm (남승혁) leads Jonah Crosby: 54 finishes in front to 0.
On personal bests the split is just as plain: across 9 shared events, Seung Hyuk Nahm (남승혁) holds the faster single in 9, Jonah Crosby in 0.
Personal bests, side by side
faster single in bold| Event | Jonah Crosby single | average | Seung Hyuk Nahm (남승혁) single | average |
|---|---|---|---|---|
| 3×3 | 6.00 | 7.12 | 4.17 | 5.30 |
| 2×2 | 1.75 | 2.81 | 1.18 | 1.67 |
| 4×4 | 20.61 | 25.41 | 17.05 | 20.74 |
| 5×5 | 50.21 | 55.56 | 33.10 | 36.31 |
| 6×6 | 1:44.67 | 1:52.08 | 1:00.40 | 1:06.46 |
| 7×7 | 2:53.88 | 3:02.22 | 1:35.31 | 1:40.67 |
| 3×3 one-handed | 10.75 | 14.28 | 6.73 | 9.70 |
| Pyraminx | 9.83 | 13.70 | 3.94 | 6.37 |
| Square-1 | 1:41.73 | — | 16.73 | 19.82 |
Year by year
every meeting, 54 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Jonah Crosby | Seung Hyuk Nahm (남승혁) | ahead |
|---|---|---|---|---|---|---|
| 2025 | Rubik's WCA World Championship 2025 | 3×3 | First round | 9.21 | 7.28 | Seung Hyuk Nahm (남승혁) |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 | Second round | 8.15 | 6.43 | Seung Hyuk Nahm (남승혁) |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 one-handed | First round | 17.83 | 11.87 | Seung Hyuk Nahm (남승혁) |
| 2025 | Rubik's WCA World Championship 2025 | 4×4 | Second round | 26.86 | 21.40 | Seung Hyuk Nahm (남승혁) |
| 2025 | Rubik's WCA World Championship 2025 | 4×4 | First round | 28.13 | 23.81 | Seung Hyuk Nahm (남승혁) |
| 2025 | Rubik's WCA World Championship 2025 | 5×5 | First round | 1:01.65 | 42.21 | Seung Hyuk Nahm (남승혁) |
| 2025 | Rubik's WCA World Championship 2025 | 6×6 | First round | 2:00.09 | 1:19.89 | Seung Hyuk Nahm (남승혁) |
| 2024 | Rubik's WCA North American Championship 2024 | 3×3 | Second round | 8.70 | 6.55 | Seung Hyuk Nahm (남승혁) |
| 2024 | Rubik's WCA North American Championship 2024 | 3×3 | First round | 8.52 | 6.54 | Seung Hyuk Nahm (남승혁) |
| 2024 | Rubik's WCA North American Championship 2024 | 3×3 one-handed | First round | 16.50 | 12.60 | Seung Hyuk Nahm (남승혁) |
| 2024 | Rubik's WCA North American Championship 2024 | 4×4 | Second round | 26.07 | 24.02 | Seung Hyuk Nahm (남승혁) |
| 2024 | Rubik's WCA North American Championship 2024 | 4×4 | First round | 28.64 | 24.98 | Seung Hyuk Nahm (남승혁) |
| 2024 | Rubik's WCA North American Championship 2024 | 4×4 | Final | 26.36 | 23.40 | Seung Hyuk Nahm (남승혁) |
| 2024 | Rubik's WCA North American Championship 2024 | 5×5 | First round | 1:03.59 | 40.28 | Seung Hyuk Nahm (남승혁) |
Full careers: Jonah Crosby · Seung Hyuk Nahm (남승혁). 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.