Safina was the last woman to beat now-retired Henin (Getty)

Four rising stars have confirmed their participation in the DFS Classic in Birmingham from 9-15 June.

World number 14 Dinara Safina, Agnieszka Radwanska, ranked 15, Alona Bondarenko and sister Kateryna, have all confirmed they will be competing.

Tournament director Marjory Howie said: "The DFS Classic has a history of attracting some of the game's rising stars and this year is no different.

"There are sure to be some fascinating matches throughout the week."

Safina, 22, recently won her sixth WTA tour title in Berlin, defeating Justine Henin and Serena Williams en-route.

Pole Radwanska, 19, claimed her first title of the year in Pattaya City, Thailand and reached her first Grand Slam quarter-final in Australia, defeating second seed Svetlana Kuznetsova in the third round.

The Bondarenko sisters won the Australian Open doubles title in Melbourne and followed that success with another tour title in Paris.

The quartet join defending champion Jelena Jankovic, 2007 Wimbledon finalist Marion Bartoli and 2006 DFS Classic champion Vera Zvonareva in the tournament at the Edgbaston Priory Club.