You must reach a tier level before you get anything. Once you complete 5 ranked rounds 9 holers is good enough, you will become "Amateur" you will have statistics and 50 credits in your pocket to buy luxury balls.
10 more rounds to Pro +100 creds
35 rounds in total to Tour Pro with a stroke Average of 72 or less +125 creds
30 more rounds to Master and average below 67 +150 creds
40 more rounds to Tour Master and average below 63 + 175 creds
50 more rounds and average below 61 to Legend + 200 creds
400 rounds as a Legend before your Ave stops going up 'n down like a whore's drawers.
Enjoy those red tees while it lasts