Britain's Chris Froome has taken the overall lead in the Vuelta a Espana, with his Team Sky co-rider Bradley Wiggins moving into third place.
Froome claimed the race leader's red jersey after finishing second behind Germany's Tony Martin of HTC in the 10th stage, a 47km time-trial.
He moved up 13 places in the general standings, 12 seconds clear of Danish rider Jakob Fuglsang.
Wiggins is eight seconds back after finishing third in the time-trial.
After the stage win, Froome said: "It's not really sunk in yet, it's still a bit unreal. I didn't expect to do that today.
"I thought maybe I'd try and stay in contention or at least be up there close to Bradley but never expected this.
"I'm over the moon, I think I just had a fantastic day and somehow I've ended up in the leader's jersey - it's a dream come true."
Four more cyclists, including Vincenzo Nibali of Italy and Juan Jose Cobo of Spain, are all within two minutes of the leader.
Born in Kenya, Froome acquired British citizenship through his grandparents' country of birth and is in his second season with Team Sky, where he is essentially a domestique for team leader Wiggins.
He finished fifth in the time-trial in the Commonwealth Games in Delhi in 2010.
After a rest day on Tuesday, Wednesday's 11th stage is a moutainous 16 km ride from Verin and Verin to Estacion de Montana Manzaneda, offering Wiggins an opportunity to stamp his authority on the race.