The Americans are seeking a record fourth title in a row, and won two games in the Peruvian capital today to move onto three wins.

Colombia were their first victims - held hitless in an 8-0 loss in five innings.

Mexico put up at better fight at the Villa Maria del Triunfo Sports Complex, but fell 5-3.

Keely Williams was the hero of the second US win, going three-for-four with four runs batted in.

Chinese Taipei were outhit four to three against Puerto Rico, yet still emerged 4-0 victors, making the Puerto Ricans pay for walking batters.

Hsia-Ai Ke pitched a complete-game shutout.

Eight different players then reached home plate in Chinese Taipei's second win of the day, an 11-5 triumph versus the Dutch.

Hosts Peru lost 8-0 to the Czech Republic in the late game.