<prompt> Petersen akachengetedza South African Open muna 2011 kuti akwanise kuenda ku2012 PDC World Darts Championship  <response>: , kwaakakunda José Oliveira de Sousa 43 makumbo mumutambo wekutanga kuti asvike pakupedzisira 64 kwegore rechipiri rakatevera. Petersen akatamba naSteve Brown mumutambo wekutanga uye akapora kubva pa21 pasi mumaseti kuti akunde 32, zvakare achidzoka kubva pa20 pasi mumakumbo mumutambo wekusarudza uye akapona mutambo mumwe dart. Petersen akati pashure pokukunda kuti kwakanga kuri kuzadzika kwechiroto uye kuti akanga ane chokwadi chokuti akanga ane zvakawanda maari. Akatamba Gary Anderson munharaunda yechipiri uye akatamba zvakanakisisa zvaaiva nazvo pamberi pemakamera eterevhizheni. Zvisinei, kirasi yemupikisi wake yakauya uye akarasikirwa ne4 × 2, naAnderson achitaura mushure memutambo kuti Devon yakava yakaoma kwazvo kwandiri. Petersen pachake akati aizoshanda zvakaoma ndokudzoka ari mutambi ari nani. 