 He made his debut for the club in a fourth round League Cup match against South Coast Derby rivals Southampton on 3 December, a 2–0 loss, and made his league debut for the club in a 0–0 draw with Middlesbrough three days later.Having fallen behind Hislop and Harald Wapenaar in the selection, Srníček joined West Ham United in the First Division on a one-month loan deal on 19 February 2004.After making his debut against rivals Millwall as a substitute for Matthew Etherington on 21 March 2004 in a 4–1 defeat, known as the "Mothers' Day Massacre", at The Den, following the sending-off of first-choice goalkeeper, Stephen Bywater, Srníček moved to West Ham on a free transfer, signing a contract until the end of the season.