Tusi se faʻaauau mo lenei palakalafa - O le taʻaloga muamua a Walker o se tagata tomai faapitoa o le 5 i le 4 manumalo i Cao Yupeng, o le na oʻo atu i le 16 mulimuli o le World Championship i le lua masina talu ai. Na leiloa Walker ia Peter Lines i le sikoa tutusa i le taamilosaga na sosoʻo ai.&lt;ref name="2012/13"&gt;&lt;/ref&gt; E leʻi manumalo o ia i se taʻaloga agavaʻa mo se tulaga faʻatulagaina i le vaega o totoe o le vaitau. Na sili atu le lelei o Walker i ta'amilosaga laiti a le Players Tour Championship ina ua ia ta'alo i ta'amilosaga uma e sefulu, ma o lona i'uga sili na sau i le Scottish Open
, lea na ia manumalo ai ia Andrew Pagett ma Stuart Bingham, ae leʻi toilalo 2 i le 4 ia Liang Wenbo i le 32 mulimuli. Na tuu o ia i le 76th i le PTC Order of Merit, ma faaiu lona tausaga muamua i le taamilosaga i le lalolagi numera 90.