Verified answer

I went to watch a practice football match. I cheered for my friend who played in the match.

I went to watch a practical football game.

I cheered for my friend who was playing at the game.

I went to watch a practice football game. I went to watch them practice football. I watched them practice.

I cheered for my friend, who was playing in the game.

I went to watch a practice football game; and cheered for my friend who was playing at the game.

I attended a football practice match, while I was there I cheered for one of my friends who was playing in the game.

I attended a football match. I cheered for my friend who played in that game.

OR I attended a football match and cheered for my friend who played in that game.

Hope that helps.

I went to my friend's football practice to cheer for him,

'a football practice game'.