Complex sentence: The 1907 Australasian Championships (tennis) (now known as the Australian Open) was a tennis tournament played on Grass courts at Auchenflower in Brisbane, Australia the event is a part of the Grand Slam.
Split into simpler sentences: The 1907 Australasian Championships (tennis) (now known as the Australian Open) was a tennis tournament played on Grass courts at Auchenflower in Brisbane, Australia. The event is a part of the Grand Slam.