The opening Test match of the Ashes Series began at Gabba, Brisbane this morning.Australia won the toss and chose to bat to begin their defence of an unbeaten Test record at the Gabba since 1988-89. The hosts are bidding to stop England completing their best Ashes run in 123 years.George Bailey is debuting for Australia and has become Australia's 436th Test cap and England's Matt Prior has been called fit for the wicketkeeping role.The opening Test of the five-match series between England and Australia has begun at the Gabba in Brisbane. The hosts are bidding to stop England completing their best Ashes run in 123 years. Michael Clarke's team went down 3-0 just three months ago in England, leaving them in danger of losing four Ashes series in a row — a fate they have not suffered since 1890. Australia must win the five-Test series to regain the Ashes, while England will keep the tiny urn if it ends in a draw.