Head to head
Dylan Miller vs Heewon Seo
Two careers, 90 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.
Dylan Miller (United States) and Heewon Seo (United States) have met in 90 rounds across 9 competitions since 2017. Counting every round where both finished with a result, Dylan Miller leads Heewon Seo: 47 finishes in front to 43.
On personal bests the split is just as plain: across 12 shared events, Heewon Seo holds the faster single in 7, Dylan Miller in 5.
Personal bests, side by side
faster single in bold| Event | Dylan Miller single | average | Heewon Seo single | average |
|---|---|---|---|---|
| 3×3 | 3.62 | 5.21 | 6.24 | 7.29 |
| 2×2 | 0.93 | 1.91 | 1.76 | 2.55 |
| 4×4 | 22.32 | 26.58 | 23.19 | 26.92 |
| 5×5 | 49.57 | 54.73 | 47.81 | 52.25 |
| 6×6 | 2:25.62 | 2:40.36 | 1:30.31 | 1:40.59 |
| 7×7 | 5:18.45 | 6:13.77 | 2:48.60 | 2:56.17 |
| 3×3 one-handed | 8.98 | 11.04 | 12.29 | 16.00 |
| Clock | 17.45 | 22.72 | 7.32 | 10.51 |
| Megaminx | 29.57 | 33.75 | 25.26 | 29.75 |
| Pyraminx | 3.34 | 5.37 | 2.59 | 4.06 |
| Skewb | 1.99 | 5.74 | 3.10 | 5.13 |
| Square-1 | 38.48 | 49.49 | 14.48 | 23.03 |
Year by year
every meeting, 90 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Dylan Miller | Heewon Seo | ahead |
|---|---|---|---|---|---|---|
| 2025 | Rubik's x TheCubicle CubingUSA All-Stars 2025 | Megaminx | Final | 38.93 | 30.37 | Heewon Seo |
| 2025 | Rubik's WCA World Championship 2025 | 2×2 | First round | 2.79 | 3.91 | Dylan Miller |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 | Second round | 6.44 | 9.09 | Dylan Miller |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 | First round | 6.84 | 8.60 | Dylan Miller |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 one-handed | First round | 13.43 | 19.38 | Dylan Miller |
| 2025 | Rubik's WCA World Championship 2025 | 4×4 | First round | 31.46 | 30.88 | Heewon Seo |
| 2025 | Rubik's WCA World Championship 2025 | Megaminx | Second round | 37.53 | 29.75 | Heewon Seo |
| 2025 | Rubik's WCA World Championship 2025 | Megaminx | First round | 38.68 | 31.46 | Heewon Seo |
| 2023 | CubingUSA Nationals 2023 | 2×2 | Second round | 2.51 | 3.28 | Dylan Miller |
| 2023 | CubingUSA Nationals 2023 | 2×2 | First round | 2.86 | 4.09 | Dylan Miller |
| 2023 | CubingUSA Nationals 2023 | 3×3 | Semi Final | 8.18 | 10.05 | Dylan Miller |
| 2023 | CubingUSA Nationals 2023 | 3×3 | Second round | 6.96 | 8.68 | Dylan Miller |
| 2023 | CubingUSA Nationals 2023 | 3×3 | First round | 6.82 | 9.34 | Dylan Miller |
| 2023 | CubingUSA Nationals 2023 | 3×3 one-handed | First round | 14.69 | 19.48 | Dylan Miller |
Full careers: Dylan Miller · Heewon Seo. 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.