Reading goalkeeper Adam Federici has taken to Twitter to apologise for his crucial gaffe in Saturday 's FA Cup semi-final defeat to Arsenal . With the game finishing 1-1 after 90 minutes , the Australian inexplicably let a tame Alexis Sanchez shot slip through his grasp in the sixth minute of extra-time and could only watch on as it trickled over the line , allowing Arsenal to book a second successive final appearance . The 30-year-old , who was 'inconsolable ' after the match , has received unwavering support from his manager and team-mates but issued an apology to Reading 's fans . Adam Federici tries in vain to stop Alexis Sanchez 's strike from going over the line in Saturday 's FA Cup game . Sanchez ( centre ) celebrates making it 2-1 to Arsenal as Federici ( second left ) is left dejected after his error . 'Just like to say thank you for all your messages and how sorry I am for my mistake , we gave our all and deserved to at least take it pens , ' he posted on his official Twitter account . 'It 's part of being a goal keeper and I 'm sure it will make me stronger ! Thank you again for your amazing support £readingfc . ' Steve Clarke 's men , in the lower reaches of the Sky Bet Championship , forced extra-time after Garath McCleary 's second-half volley cancelled out Sanchez 's opener .
Adam Federici lets Alexis Sanchez 's extra - time pass through his legs . villa 's goal makes it 2 - 1 to Arsenal who will now play in the FA Cup final . villa left inconsolable after error but hopes he will come back stronger .