1) Jamie Murray - current GB No 1 made a career high of WR28 this year with a decent start to the season but fell away in the second half. 1 ATP title.
2) Ross Hutchins - Breakthrough year for Ross with both ATP and challenger titles. Ended the year on a career high of WR44.
3) Jamie Delgado - ended the year on WR121 with one challenger title with several SF and one other final loss.
4) Ken skupski - Great year with CH and futures titles and plenty other finals / SF's. Career high of 240 this year.
5) Colin Fleming - what a comeback year...CH and future titles and various other finals - upto WR4211 in just a few months.