The Hokkaido-based team added to its ice hockey pedigree with yet another championship.
Hannes Bjorninen scored 31 seconds into the third period to lift Finland past Russia.
Skip Satsuki Fujisawa and her teammates handled the pressure of a high-stakes match and played more consistently in a bounce-back win over the Swiss.
The 2018 Olympic bronze medalist advanced to the final four on a tiebreaker after Britain, Japan and Canada finished with identical records.
Slovakia tied it late in regulation, survived a 10-minute 3-on-3 overtime, then won it in a shootout to advance to the semifinals.
Japan finished top of Group B in the preliminary round but couldn't carry the momentum over to the quarterfinals.
Misaki Oshigiri and Momoka Horikawa, Japan’s two skaters in the event, set personal-best times.
The Pyeongchang silver medalist could never recover from a sub-par jump on the normal hill.
Hanae Kubo scored the dramatic winning goal in Japan’s final match of the ice hockey tournament's preliminary round.
With seven points in Group B, Japan reached the last eight for the first time in four Olympic appearances.
Six Smile Japan players scored a goal as coach Yuji Iizuka’s squad improved to 2-0 in Beijing.
Smile Japan is aiming to improve on the country's best-ever Olympic result of sixth place at the Pyeongchang Games.