 Nyorai kuenderera mberi kweiyi ndima - OSullivan akatanga mwaka wa2013 14 ari pachinzvimbo chechi19. Kunyange zvazvo akanga ari kunze kwepamusoro 16, kuhwina World Championship mwaka wapfuura kwakamubvumira kuti ave nembeu mumutambo wose waakasarudza kupinda nhamba 1 muWorld Championship 2014 uye nhamba 2, shure kwekudzivirira mukwikwidzi, kune vamwe vose. Nokuda kwezvikonzero zvomunhu oga, akabva pamutambo wokutanga wemwaka, Wuxi Classic, nguva pfupi asati atarisana naMichael Wasley mumutambo wokugadzirira. Muna Chikumi 2013 akakwikwidza muBulgarian Open, mutambo wake wekutanga kunze kweEngland mumwedzi gumi nemashanu, asi akarasikirwa ne2 × 4 naJohn Higgins mumasemifainari. Akaenderera mberi kuhwina Paul Hunter Classic nekukunda Gerard Greene 40 mufainari. OSullivan akabva akwanisa kupinda mumakwikwi eInternational Championship nekukunda Joel Walker 61 mumakwikwi ekupedzisira, uye akakunda Anthony McGill 62 panzvimbo yacho, asati arohwa ne46 naLiang Wenbo mumakwikwi makumi matatu nemaviri ekupedzisira. Mushure maizvozvo OSullivan akasvika kumagumo eAntwerp Open, asi akarasikirwa ne3 × 4 naMark Selby, kunyangwe achitungamira 3 × 1. MuChampion of Champions akakunda Ding Junhui naNeil Robertson mumutambo wekupedzisira uye akaenderera mberi kuhwina mukombe nekukunda Stuart Bingham 108 mumutambo wekupedzisira. Akasvika kumaquarter-fainari eUK Championship, asi akarasikirwa ne46 achipesana naBingham, kunyangwe achirova 135 ne127 mumutambo. 