Hall kept the bout close throughout the three rounds , but Ryabets pulled out a split decision win in the contest .
Hall competed in the final junior bout of the tournament for the United States in a welterweight clash with Kazakhstan 's Nadezhda Ryabets .
Hall kept the bout close throughout the three rounds , but Nadezhda Ryabets pulled out a split decision win in the contest .
Hall competed in the final junior bout of the tournament for the United States in a welterweight clash with Kazakhstan 's Nadezhda Ryabets .