[4] Soon afterwards he finished tied for 4th place in the Daily Mirror Assistants' Tournament at St Annes Old Links.

[5] Jowle reached the final of the News of the World Matchplay in 1950 at Carnoustie but lost to Dai Rees 7&6.

He was joint winner of the 1957 Bowmaker Tournament at the Berkshire Golf Club, tying with Bobby Locke on 135 for the 36 holes and winning £400.

[7] In April 1958, Jowle won the Spalding Tournament at Moor Park Golf Club with a score of 277, 2 strokes ahead of Harold Henning and Arthur Lees.

[8] In May, he was joint winner of the Irish Hospitals Tournament at Woodbrook Golf Club, tying with Bernard Hunt on 277.