It's just a matter of confidence i guess. Just tell him straight out. If he rejects you you have a reason to move forward or just show him what he bloody missed. It's either make him "regret" or make yourself "forget".
Gosh, me and my corny rhymes, sorry about that.
I myself have a really awkward relationship with the guy i like, i wouldn't even call it a bloody relationship since we don't even talk. Lucky though, since he's my family friend, i talk with him sometimes when my mum and his mum meet at school meetings.
In the end, i think its just about being confident in yourself and just be cool, show him what he's missing out on.
This might not even be useful all Dx

I know how it feels. Just try to move on or just keep loving him from afar.. That's what i did. I just watch my crush happy. We're still friend~ We're awkward first but then he start to talk back like before.. but i still find it awkward xD i hope u can talk to him like usual and not awkward. Start new thing. Try to start a new friend relationship with him. okay.. i dont know what i said xD im at giving advice hee sorry but i really want to tell you that im in the same situation with you right now ^^~

Just move on dear.. Life is one shot.. Just enjoy tat as much as u can.. Only when u look around,u ll come to know that there are lot of people caring u and loving u.. :)

You should ignore him as well.
That way you can show him even you're doing better, without him.
He'll want you back.
He'll probably start to talk to you again.
Just be calm and why don't you try ignoring him as well? (:

advice ?? just move on dongsaeng ,i ever experience that too~
but it's me who feel awkward and doesn't want to get near him again.. but he still wanna be friend again with me..

the only advice i can give is for you to move on.
i told a guy how i felt about three years ago and he has ignored me ever since. (first friendzone)
but you'll meet new people. you'll be happy someday, alright? the one you really want just might be waiting for you.

Hi! I feel you. But oh well, all i can say is to forget him. I'm in the exact same situation as you currently and there's nothing i can do but to forget my damn feelings for him. It's just a crush after all. That's what i always tell myself. Fighting!:)