Austria tied the game in the final minute of regulation and completed the comeback in the shootout with a 4-3 win over Switzerland on Saturday at O2 Arena in Prague, Czech Republic.
Avalanche goaltender Reto Berra made 22 saves for the Swiss. He wasn't tested much in the first 40 minutes, only facing eight shots before seeing 12 pucks in the third period and four more in overtime.
Switzerland (0-0-1-0) held three one-goal leads in the contest, but the Austrians rallied each time to knot the game. Austria's Michael Raffl recorded the tying goal with the extra attacker on the ice with 50 seconds left in the third period.
Austria (0-1-0-0) won the shootout 1-0 with Konstantin Komarek recording the only tally in the tiebreaker.
Switzerland faces France on Sunday at 12:15 p.m. MT, while Austria plays Sweden earlier in the day at 4:15 a.m. MT.
CZECH REPUBLIC (4) VS. LATVIA (2)
The Czech Republic put up three third-period goals and defeated Latvia 4-2 at O2 Arena in Prague to give the host nation its first win at the tournament.
Latvia (0-0-0-2) took two leads in the game, but the Czech Republic (1-0-1-0) came back each time and finally went ahead on Jaromir Jagr's goal at 12:44 of the second period.
Avs defenseman Jan Hejda had one shot and saw 19:05 of ice time, one of three Czech blueliners to play 19 or more minutes in the contest.
"This was a very tough game for us," Jan Hejda said to the official IIHF website. "Playing against Latvia is like a must-win, but they have a very good team. They play together basically the whole season, these players. Obviously we are all happy to beat them."
The Czech Republic will next play Canada on Monday at 12:15 p.m. MT. Hejda will face four fellow Colorado teammates on Canada in Tyson Barrie, Matt Duchene, Nathan MacKinnon and Ryan O'Reilly.
UNITED STATES (2) VS. NORWAY (1)
Trevor Lewis and Brock Nelson scored and the United States remained undefeated at the World Championship with a 2-1 win versus Norway at CEZ Arena in Ostrava, Czech Republic.
Morton Ask scored the first goal of the game for the Norwegians at 6:39 of the first period, but the U.S. bounced back with goals from Lewis nearly six minutes later and Nelson at 5:58 of the second.
Colorado prospect Jonas Holos of Norway finished with two shots while seeing a game-high 30:51 of ice time. He played 9:20 in the first period, 10:50 in the second and 10:41 in the third.
Avalanche defenseman Zach Redmond was scratched for the second consecutive game for Team USA.
The U.S. (2-0-0-0) will have Sunday off before returning to action on Monday versus Russia. The game will be televised at 8:15 a.m. MT on NBCSN. Norway (0-0-0-2) plays Finland on Monday at 12:15 p.m. MT.
SLOVAKIA (4) VS. DENMARK (3) - SHOOTOUT
Denmark rallied with a late goal in the third period but fell 4-3 in a shootout to Slovakia at CEZ Arena in Ostrava.
Daniel Nielsen tied the game for the Danes with 2:14 remaining to force OT. Slovakia (0-1-0-0) won the shootout 2-1 with Marko Dano scoring the winner.
Avalanche prospect Markus Lauridsen was on Denmark's third defensive pairing with Mads Boedker. Lauridsen finished with 19:33 of ice time.
Denmark (0-0-0-1) plays Finland on Sunday at 12:15 p.m. MT.