After winning the amateur events he decided to turn professional.

By the early 1970s, the track was used mostly for amateur events, and closed permanently in 1998.

These would mark his final participation in an amateur event.

He only rarely entered amateur events, other than the nationals.

I don't know if she'd have the same enthusiasm for playing a lot of amateur events.

Some feel that she should concentrate on winning more amateur events.

That was an amateur event; this is a professional business.

This being an amateur event, the rules were less strict.

Partly, I used a score to make a point: that this really was an amateur event.

From 1989 to 1992 it was an amateur event.