Ducati riders Nicky Hayden and Valentino Rossi rounded out the top ten positions following final qualifying at Assen for the Dutch TT tomorrow.

American Hayden was ninth fastest ahead of his team-mate, with both riders only improving their times from Thursday's practice slightly.

Rossi made several adjustments to his Ducati in a bid to improve grip, but with little success.

"Today obviously didn't go as well as yesterday. Unfortunately, we tried to make a few adjustments in an effort to get the tyre to slide less, but as soon as we load the rear a bit, the bike becomes difficult to ride because I lose a lot of grip on the front," he said.

"We tried it this morning and a little in the afternoon, but in the end we returned to yesterday's settings.

"We were also a bit unlucky with the weather, as I had three soft tyres to use in qualifying, but because of the various rain breaks, I was only able to use one," added Rossi.

"With this set-up, maybe I can be a bit more competitive in the first part of the race, but then we'll have to see what pace we're able to do when the tyres start sliding a lot."

Hayden said he 'wasn't happy' with his lack of progress today, even though he gave his all out on the track.

"During the first exit, I did a 34.9 with the hard tyre, and as I was fourth at the time, I thought maybe we could do something good today.

"Then the rain came and I lost the feeling a little bit. In the last exit, with a soft tyre, I managed to improve by a couple of tenths, but it clearly wasn't enough," he said.

"I'm not happy. I can't say I left a lot out there, but even a tenth would have moved me up a couple of spots."