Caylum Boon scored a 3 under par 69 on day one of the Swiss International Championship at Golf & Country Club Schönenberg in Zurich to tie for the lead. Players from 14 countries are competing in this prestigious tournament.  Swiss national Loris Schüpbach, who spent an extended time at KeNako Academy in 2015 and 2016, is tied 5th at one under par 71 after round one.Caylum from SAGA