Great Britain and Poland booked the last quarter-final places going in the men's wheelchair basketball tournament as group play wrapped up on Monday.
The hosts beat Japan 71-55 in Group B to make sure of their place, with Terry Bywater scoring 19 points and Simon Munn adding 15.
Britain seized control early and pull into a 60-32 lead before a late Japanese fightback.
Britain's win eliminated Japan and meant the pressure was off for Poland against Germany - a match the eastern Europeans lost 73-63.
Jan Haller led the Germans with 17 points while Sebastian Wolk added 15 and Andre Bienek 13.
Mateusz Filipski had 27 points for Poland with Piotr Luszynski adding 22 to combine for more than 75% of Poland's scoring.
At the top of the standings, both Canada and Australia completed pool play with perfect 5-0 records.
Canada finished their Group B campaign with a 68-42 win over Colombia in which Dave Durepos had 18 points.
This fixture had led to a shock defeat for Canada in the Parapan championships semi-final last year but they made sure there would be no repeat.
The outstanding Patrick Anderson took an extended breather, with all 13 of his points coming in the first quarter before he watched the rest of the game from the bench.
In Group A, defending champions Australia answered with a 68-48 win over Italy, with Brett Stibners scoring 17 points and Nick Taylor 14.
The Group A picture below Australia was only settled on points differential, with the United States' 63-55 win over Spain leaving both teams alongside Turkey with a 3-2 record.
Turkey took second place, ahead of the Americans and Spain.
Australia will now face Poland in Wednesday's quarter-finals, while Canada are paired with Spain.
The United States take on Germany and Great Britain get Turkey.
In the women's tournament the quarter-final berths were already taken but the United States still provided some drama as they stormed back from 11 points down in the fourth quarter to beat China 68-65 in overtime and claim second place in Group B.
China had led 46-35 at the start of the fourth quarter, but the Americans went to work and they had closed the gap to 59-58 when Desi Miller completed a three-point play from the free-throw line.
China edged clear once more but another three-point play from Alana Nichols tied it at 61-61 late on to force the extra period.
Then it was the turn of Rebecca Murray to step forward with key baskets as she pushed her personal points tally to 30.
Cheng Haizhen led China with 22 points.
The win lifts the Americans to second place in the group behind Germany, while China settle for third.
Germany finished top after completing pool play with a 68-28 rout of Mexico.
Mareike Adermann led Germany with 18 points and Marina Mohnen added 16.
The Germans will now face Great Britain in tomorrow's quarter-finals after the hosts fell to 1-3 with a 67-50 loss to Canada in Group A.
Canada's victory over Brazil on Sunday had sent Britain through on their day off but there were no gifts on offer on Monday.
Britain held the outstanding Janet McLachlan to 15 points but Katie Harnock stepped up with 20 and Cindy Ouellet had 18.
Mariska Beijer was back to her best as Holland topped Brazil 55-42 to take second place in Group A, behind Australia and ahead of Canada.
All three teams had finished with a 3-1 record with the standings then based on points differentials.
Beijer, held to seven points by the Aussies yesterday, poured in 27 today, adding 12 rebounds.
It turned into a head-to-head duel as Lia Maria Soares Martins responded with 28 points and 14 rebounds for Brazil.
With Germany facing the hosts, Tuesday's other quarter-finals will see Australia tackle Mexico, Holland play China, and a North American showdown between the United States and Canada.
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