Canada has won their opening match of the Women's Water Polo World League Super Final in Athens ©Getty Images

Canada claimed a tight victory over defending bronze medallists Russia on the opening day of the International Swimming Federation (FINA) Women's Water Polo World League Super Final at the Athens Olympic Aquatic Centre in Greece.

They claimed a tight victory over Russia in Group A winning 12-10.

The Canadians held a commanding lead after the first quarter, but Russia scraped themselves back into the tie, finishing the third quarter only a point behind.

But Canada outscored their opponents in the final period to ease to a two-goal victory. 

Gurpreet Sohi was the top scorer for the Canadians with three, but Russian captain Ekaterina Prokofyeva put four past the winners.

In the other group match, Hungary thrashed Japan 26-10 in the next match - with player of the match Rebecca Parkes scoring a colossal seven goals to help her side take an expected win.

Her team mates Greta Gurisatti and Rita Keszthelyi both scored five each too to sink their opponents.

Spain defeated Kazakhstan in the opening match of the tournament, winning by nine goals for a 20-11 victory.

Spain's Alejandra Aznar Diez scored three goals from three shots - and was one of four players to get a hat-trick.

The others were Bea Ortiz, Roser Tarrago Aymerich and Paula Crespi Barriga.

However, the top scorer from the match came from Kazakhstan as Anna Turova scored four from her six shots - showing she could be the team's ace this tournament.

In the late game, defending champions the United States easily defeated hosts Greece 16-9.

Madeline Musselman scored three from three attempts with her team mates Rachel Fattal and Stephanie Haralabidis scoring three each too.

Margarita Plevritou managed three for the hosts too, but the US were in control from the start.