Matt Jarvis says West Ham United will go to Chelsea full of confidence after recording a valuable 1-0 Barclays Premier League success at Stoke City.
The winger was in fine form as the Hammers chalked up their third away win of the campaign courtesy of a resilient performance and Jack Collison's pinpoint finish.
The No7, who came close to scoring with a low shot at the Britannia Stadium, says victory in the Potteries will send West Ham to Stamford Bridge believing they can beat the Blues and record a first league 'double' over Rafael Benitez's side since 2002/03.
"Stoke is always a tough place to go and we all had to work extremely hard to pick up the three points," confirmed Jarvis. "It's been hard for us on the road but we did extremely well and came away with the win.
"Obviously it was disappointing to lose two players early in the game [in the injured Joe Cole and Matt Taylor] but the two players who came on made a massive impact in the game - one, Ricardo Vaz Te, set up the goal and the other one, Jack Collison, scored!
"We knew Stoke's strengths and we had to really concentrate and work hard to stop any set pieces or long throws into the box and make sure we were positive in the way we approached the game and when we attacked. We also had to make sure that when we had a chance, we punished them.
"It's always going to be a very tough game away at Stamford Bridge, but I'm sure we'll have this weekend off and be prepared to go there and put in another good performance and hopefully get a good result."
While it may now be tempting to look further ahead following Saturday's success at Stoke, Jarvis said everyone at the club is focused on the next game and collecting enough points to guarantee Barclays Premier League football next season.
"First things first, we want to make sure we guarantee our safety. Once we've done that, then we're going to push on and look how far we can go."
For Jarvis personally, he is more than happy to be part of a positive squad at West Ham, having joined the club from relegated Wolverhampton Wanderers last August.
"It's hard to change clubs. I was at Wolves for five years before moving clubs and settling in. Everyone at the club has been fantastic since I joined so I really do feel at home at West Ham now."