Shot No.1, position No.1? (6)
I believe the answer is:
goalie
'position no 1?' is the definition.
Although both the answer and definition are singular nouns, I can't see how they can define each other.
'shot no 1' is the wordplay.
'shot' becomes 'go' (both can mean an attempt).
'no a' becomes 'alie' (I can't justify this - if you can you should believe this answer much more).
'go'+'alie'='GOALIE'
Can you help me to learn more?
(Other definitions for goalie that I've seen before include "Keeper (colloq.)" , "Netkeeper, in short" , "On-field custodian" , "Footballer" , "Soccer player who protects the target" .)