Danielle Scott-Arruda of the US spikes the ball towards Kim Se-young of South Korea during their match in the Women's Volleyball World Cup in Kumamoto, 11 Nov 2007

Logan Tom has scored 19 points to lead the United States to a 3-0 win over South Korea and keep the Americans undefeated at the volleyball Women's World Cup in Japan.

Danielle Scott-Arruda added 17 points Sunday to help the American to their eighth straight win, 25-21, 25-19, 25-23. South Korea's record fell to 2-6.

In other matches in Kumamoto, Cuba winless defeated Thailand 3-1 (25-22, 23-25, 25-22, 25-13) to improve to 6-2, while Brazil shut out the 1-7 Dominican Republic, 3-0 (25-16, 25-12, 25-14).

In Sapporo, Italy also kept its undefeated record intact with a 3-0 (25-13, 25-21, 25-17) win over 1-7 Peru. Poland upset Serbia 3-2 (24-26, 25-23, 25-12, 19-25, 15-10) to improve to 3-5, while Serbia dropped to 6-2. Host Japan blanked Kenya 3-0 (25-14, 25-12, 25-8) to improve its record to 6-2, while Kenya has lost all eight of its matches.

The event moves to Nagoya for fourth round play beginning Wednesday. The tournament, which continues until November 17, features 12 teams bidding for three berths at the 2008 Beijing Olympics.

Some information for this report was provided by AFP and AP.