when your players plays on national teams , can they get xp for a match

Yes, they get 1000 xp for the first 5 interlands

ok and thanks

What if my player get after 5 match next 1000xp? (I hope that you don't take away experiences)

http://rockingsoccer.com/en/soccer/info/player-13054/matches

Yesterday - 09:41, From: Secretary
Krzyszstof Andrychowski was selected to play in the latest match of his country.
He received 1000 experience points.

Your player played 6 matches for the national team, he played two yesterday. This message is about the first match (9:41), so that would be his 5th match for the team.

@Vicent
no,no... what two yesterday? Look this link: http://rockingsoccer.com/en/soccer/info/player-13054/matches

and count matches:
1. Feb 11 - 09:47 Ukraine 1-1
2. Feb 11 - 15:26 Bosnia-Herzegowina 3-0
3. Feb 19 - 09:34 Croatia 2-3
4. Feb 23 - 15:14 England 2-2
5. Mar 7 - 09:13 Mexico 3-1
6. Yesterday - 09:31 China 5-0
He was played 7th March 5h match, and yesterday played 6th match and get 1000xp. By the rules, you can only get 5 matches.