At the end of a match, both members must return to FIFALeagues.com the winner of the match enters the result and the loser has to confirm the result right away unless if he has opened a match protest. The winner is responsible for providing match proof, there are several ways to get a match proof of your result see options below:

Where to get Match Proofs

Option 1: EA SPORTS Football web site.
Option 2: Forwarding your Head-to-Head stats to your email.
Option 3: With your camera or mobile phone, take a photo of your Player HUB Head-to-Head matches.

Option 1 - EA SPORTS Football Web site
Go to http://www.easportsfootball.co.uk/ and login, register or search for your PSN or XBOX Live gamer tag on your profile you will see a list of matches played. Take a screen shot of your PLAYER HUB stats showing both opponent's gamer tag and results.

Option 2 - Forward Head-to-Head Stats
In FIFA 11 there is an option that allows EA SPORTS to send your HEAD-to-HEAD match stats alerts to your email. This can be used a proof for your match report or a match protest. To get setup simply follow these easy steps:
Online Game Modes >> My FIFA 11 Online >> Online Settings >> General Settings >> Forward End of Game Stats >> "YES"

Option 3 - Camerca or Mobile Phone
With your camera or mobile phone take a photo of your Head-to-Head stats in your Player HUB, export or send the photo and use it as a proof that you won the match.