Head to head
Calvin Nielson vs Matt Mao
Two careers, 120 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.
Calvin Nielson (United States) and Matt Mao (China) have met in 120 rounds across 18 competitions since 2023. Counting every round where both finished with a result, Matt Mao leads Calvin Nielson: 94 finishes in front to 25 and 1 tie.
On personal bests the split is just as plain: across 16 shared events, Matt Mao holds the faster single in 13, Calvin Nielson in 3.
Personal bests, side by side
faster single in bold| Event | Calvin Nielson single | average | Matt Mao single | average |
|---|---|---|---|---|
| 3×3 | 7.41 | 9.37 | 6.57 | 7.93 |
| 2×2 | 1.02 | 2.67 | 0.92 | 1.71 |
| 4×4 | 34.64 | 43.51 | 28.34 | 32.93 |
| 5×5 | 1:11.59 | 1:24.03 | 57.34 | 1:02.44 |
| 6×6 | 2:28.88 | 2:37.29 | 2:02.24 | 2:09.47 |
| 7×7 | 3:58.09 | 4:14.47 | 2:53.89 | 3:05.42 |
| 3×3 blindfolded | 1:23.60 | 3:12.71 | 28.73 | 44.25 |
| 3×3 Fewest Moves | 20 moves | 24.33 | 26 moves | 31.67 |
| 3×3 one-handed | 12.92 | 17.81 | 9.84 | 12.10 |
| Clock | 4.75 | 6.40 | 3.08 | 3.66 |
| Megaminx | 1:02.11 | 1:09.66 | 37.28 | 41.82 |
| Pyraminx | 2.97 | 5.38 | 1.88 | 3.54 |
| Skewb | 2.54 | 4.71 | 2.82 | 4.18 |
| Square-1 | 4.66 | 6.58 | 5.24 | 6.25 |
| 4×4 blindfolded | 13:19.00 | — | 5:08.72 | — |
| 3×3 Multi-Blind | 2 of 2 cubes · 9:12 | — | 6 of 7 cubes · 38:39 | — |
Year by year
every meeting, 120 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Calvin Nielson | Matt Mao | ahead |
|---|---|---|---|---|---|---|
| 2026 | Rubik's WCA North American Championship 2026 | 2×2 | First round | 3.75 | 2.21 | Matt Mao |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | First round | 12.63 | 9.39 | Matt Mao |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 one-handed | First round | 20.70 | 15.08 | Matt Mao |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | First round | 46.86 | 36.50 | Matt Mao |
| 2026 | Rubik's WCA North American Championship 2026 | Pyraminx | First round | 8.29 | 4.21 | Matt Mao |
| 2026 | Rubik's WCA North American Championship 2026 | Skewb | First round | 6.23 | 5.20 | Matt Mao |
| 2026 | Rubik's WCA North American Championship 2026 | Square-1 | Final | 9.20 | 7.22 | Matt Mao |
| 2026 | Rubik's WCA North American Championship 2026 | Square-1 | Second round | 7.23 | 6.69 | Matt Mao |
| 2026 | Rubik's WCA North American Championship 2026 | Square-1 | First round | 6.85 | 7.00 | Calvin Nielson |
| 2026 | SacCubing XXIII 2026 | 3×3 | Second round | 13.96 | 9.08 | Matt Mao |
| 2026 | SacCubing XXIII 2026 | 3×3 | First round | 12.75 | 9.02 | Matt Mao |
| 2026 | SacCubing XXIII 2026 | 4×4 | First round | 47.42 | 32.93 | Matt Mao |
| 2026 | SacCubing XXIII 2026 | Pyraminx | First round | 6.86 | 3.55 | Matt Mao |
| 2026 | SacCubing XXIII 2026 | Skewb | First round | 6.04 | 4.28 | Matt Mao |
Full careers: Calvin Nielson · Matt Mao. 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.