The mixed team duel went back and fourth as PuTi of Finland sought to put themselves at an arms length of their British foes, but Reading Ultimate refused to go away.

After taking an 8-7 lead into the second-half, the Finns lost the initiative and Reading Ultimate suddenly secured a marginal 11-10 advantage at the Lebanon Sports Complex.

Nevertheless, PuTi invoked their winners mentality to turn the game on its head again and established a crucial two-point lead in the dying embers of the match.

This gap proved to be sufficient as they sealed a 14-12 triumph to advance to the semi-finals where they will play Canada's Red Flag.

Peter Yu scored three goals and provided another three assists to defeat America's NOISE, which also went down to the wire.

Ness Cannaday equalised for NOISE to make it 14-14, meaning the next to score was the victor.

With the stakes high and the afternoon sun blazing down onto the field, Yu delivered his third assist to Gagandeep Chatha to complete the win.

The other mixed division matchup includes Australia's Lunch Box Ultimate Club competing against the hosts' Seattle Mixtape after they dumped Hybrid, also of the US, out of the medal bracket.

Nis-Julius Sontag scored the winning goal in their 15-13 triumph.

Meanwhile, Seattle Mixtape were 15-12 victors versus Dutch outfit GRUT.

One leg of the women's semi-finals is due to see an all-American tie between Fury and Raleigh Phoenix.

Fury bettered Japan's Swampybarg 15-9 as Raleigh Phoenix brought down compatriots Boston Brutesquad 15-12 in their quarter-final bouts.

Colombia's Revolution is scheduled to meet Australia's Ellipsis in the other semi-final following their untroubled 15-8 triumph against Japan's TOKYO Mavericks.

Ellipsis faced a tougher challenge versus Canada's 6ixers but ultimately they proved to be too strong, winning 15-11.

Cat Phillips sealed a complete performance for her fellow Australians by servicing six goals and grabbing two of her own.

In the open division, Belgium's Mooncatchers and the US' Seattle Sockeye put on a quarter-final show for the raucous crowd.

Both teams went blow for blow with the Belgian side gaining the backing of those in attendance.

The Spectators got their wish once Mooncatchers' Arvīds Žanis Orlovskis delivered the final goal to obtain a tense 15-14 victory.

Mooncatchers are expected to play Raleigh Ring of Fire, another American team, in the semi-finals after they defeated Italy's CUSB Open 15-10.

Clapham Ultimate of Britain have made their way into the penultimate round following their 14-11 victory over Canada's Furious George.

The US' PoNY, who stunned Japan's Buzz Bullets 15-8, are due to be their opponents.

The semi-final fixtures and the open and mixed divisions bronze matches are scheduled to be held tomorrow at the Lebanon Sports Complex.