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Head to head

Seung Hyuk Nahm (남승혁) vs Juliette Sébastien

Two careers, 41 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.

Seung Hyuk Nahm (남승혁) (Republic of Korea) and Juliette Sébastien (France) have met in 41 rounds across 4 competitions since 2017. Counting every round where both finished with a result, Seung Hyuk Nahm (남승혁) leads Juliette Sébastien: 28 finishes in front to 13.

On personal bests the split is just as plain: across 13 shared events, Seung Hyuk Nahm (남승혁) holds the faster single in 8, Juliette Sébastien in 5.

Personal bests, side by side

faster single in bold
EventSeung Hyuk Nahm (남승혁) singleaverageJuliette Sébastien singleaverage
3×34.175.304.445.81
2×21.181.670.781.49
4×417.0520.7422.7126.58
5×533.1036.3149.8556.04
6×61:00.401:06.461:52.892:06.60
7×71:35.311:40.673:57.044:09.05
3×3 blindfolded39.1548.201:11.271:26.00
3×3 one-handed6.739.706.868.43
Clock8.979.8014.5016.63
Megaminx33.7638.3030.3534.78
Pyraminx3.946.372.915.91
Skewb2.405.422.064.21
Square-116.7319.8213.1521.26

Year by year

every meeting, 41 rounds in all
20172025busiest year: 12 meetings2017: 92019: 122023: 112025: 9

Recent meetings

newest first · averages where the round ranked on one, singles otherwise
YearCompetitionEventRoundSeung Hyuk Nahm (남승혁)Juliette Sébastienahead
2025Rubik's WCA World Championship 20252×2First round1.672.85Seung Hyuk Nahm (남승혁)
2025Rubik's WCA World Championship 20253×3First round7.287.62Seung Hyuk Nahm (남승혁)
2025Rubik's WCA World Championship 20253×3Second round6.435.98Juliette Sébastien
2025Rubik's WCA World Championship 20253×3Semi Final6.116.65Seung Hyuk Nahm (남승혁)
2025Rubik's WCA World Championship 20253×3 one-handedFirst round11.879.95Juliette Sébastien
2025Rubik's WCA World Championship 20253×3 one-handedSecond round11.829.25Juliette Sébastien
2025Rubik's WCA World Championship 20254×4First round23.8131.99Seung Hyuk Nahm (남승혁)
2025Rubik's WCA World Championship 2025MegaminxSecond round44.1636.22Juliette Sébastien
2025Rubik's WCA World Championship 2025MegaminxFirst round43.3438.45Juliette Sébastien
2023Rubik's WCA World Championship 20232×2First round2.642.12Juliette Sébastien
2023Rubik's WCA World Championship 20232×2Second round2.452.38Juliette Sébastien
2023Rubik's WCA World Championship 20233×3First round6.506.86Seung Hyuk Nahm (남승혁)
2023Rubik's WCA World Championship 20233×3Second round6.766.92Seung Hyuk Nahm (남승혁)
2023Rubik's WCA World Championship 20233×3Semi Final6.467.45Seung Hyuk Nahm (남승혁)

Full careers: Seung Hyuk Nahm (남승혁) · Juliette Sébastien. 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.