It's the match many predicted would be the gold medal contest, but only one team will advance.

Goulburn's Turner is desperate to be there despite suffering severe cramp in both legs and admitting he was racing against time to get back on the field.

"Fingers crossed it's just cramp. At first it was a bit worrying but it's getting better and I'll be doing anything I can to be out there," Turner said.

"I've been getting cramps all week, so I don't know if the turf is a little bit softer over here.

"I've never had sore calves before but I've had them all week.

"I probably won't be on my feet until we play again and hopefully it's all good."

The Kookaburras booked their place in the semi-final with a resounding 7-0 victory over Pakistan in their last preliminary match on Tuesday night.

Turner continued his impressive goal-scoring form when he scored the last to add the icing to a dominant victory.

He has only failed to score in two games he has played on the Olympic field.

Making it more impressive is the fact he has battled through constant pain and had major hip surgery at the end of last year to keep his gold medal dream alive.

Kookaburras coach Ric Charlesworth is hopeful his striker will be fit to play against Germany, but conceded Turner may not take the field.

"Who knows [if he'll be OK]," Charlesworth said.

"He's had little niggling things all along and this is just another one. [His injuries] will be sorted out in the next day or two, we can't really know . . . it's the element of the Games."

Turner's injury woes have limited his Olympic experience.

He didn't march in the opening ceremony because he pulled up tight from training in the morning.

He hasn't been to any other events because the Kookaburras train on days they aren't playing and then Turner goes straight to the ice bath and treatment rooms to ensure he's ready to play the next day.

So far it has worked and the 28-year-old has played a major role in the team's success.

Despite being the World Cup and Champions Trophy winners, the Kookaburras are wary of stumbling before getting to the gold medal match.

The thumping of Pakistan was the perfect tune-up as the Kookaburras finally found their goal-scoring groove.

"We left it all out there against Pakistan, it was good to finally finish off," Turner said.

"We know how good the other teams are . . . we're not even looking past Germany and that's a good thing because we're just going to throw everything into that game.

"Playing against Germany is going to be one of the toughest games of our lives, but we know if we play well, it's hard to beat us on our day."

Should the Kookaburras win, they will play in the gold medal match at 5am on Sunday.