Dee ihe na-aga n'ihu maka paragraf a - Na ọgụ Olympic mbụ ya, Pedraza meriri Onur Şipal nke Turkey site na isi ihe, na akara nke 10<unk>3. N'ime ihe omume ahụ, atụmatụ ya lekwasịrị anya n'ịnọgide na-enwe nchebe siri ike mgbe ọ na-ejikọ njikọta na ahụ onye iro ya. Pedraza tụfuru nke abụọ ya na Daouda Sow nke France site na isi ihe, 13: 9. Ọ banyere asọmpi Iko Mbaụwa n'afọ 2008
, na-aga n'ihu na ọkara ikpeazụ na mmeri 8: 2 n'elu Georgian Popescu nke Romania. O meriri ọla nchara, na-efunahụ (14:4) asọmpi ya ọzọ na Albert Selimov nke Russia. N'ọnwa Febụwarị afọ 2008, Pedraza gbachitere ọkwá onye mmeri mba na Torneo Nacional Isaac Barrientos, na-emeri Reynaldo Cintron na nke mbụ, Erick Vidal na nke anọ (WO), Edgardo Rivera na nke ọkara na Ken Alvarez na nke ikpeazụ (10: 3). Na Mee 2009, ọ banyere na XII Torneo José "Cheo" Aponte ma sonye na oke welter dị mfe, na-emeri asọmpi mbụ ya na Pedro Vicente site na nkwụsị na agba atọ. Pedraza meriri ọlaọcha ọlaọcha, na-efunahụ Bernard Lebron na ngwụcha site na akara aka na-esote 16: 16 tie.