Alfonso beat Newfel Ouatah but lost to Russian Evgeny Romanov at the World Junior Championships 2004; then was also defeated nationally by compatriot superstar Odlanier Solis twice in 2004.
Alfonso beat Newfel Ouatah but lost to Russian Evgeny Romanov at the World Junior Championships 2004; then was also defeated nationally by compatriot superstar Odlanier Solis twice in 2004.