▁sched uling ▁change ▁two ▁Australian ▁Op ens ▁took ▁place ▁in ▁ 1 9 7 7 ▁with ▁the ▁first ▁taking ▁place ▁in ▁January . ▁V itas ▁Ger ul ait is ▁and ▁Ev onne ▁G ool ag ong ▁C aw ley ▁won ▁the ▁singles ▁titles . ▁ ▁Sen iors ▁ ▁Men ' s ▁singles ▁▁ ▁V itas ▁Ger ul ait is ▁defeated ▁ ▁John ▁Lloyd , ▁ 6 – 3 , ▁ 7 – 6 , ▁ 5 – 7 , ▁ 3 – 6 , ▁ 6 – 2 ▁It ▁was ▁Ger ul ait is ' s ▁ 1 st ▁( and ▁only ) ▁career ▁Grand ▁S lam ▁title . ▁ ▁Women ' s ▁singles ▁▁ ▁Ev onne ▁G ool ag ong ▁C aw ley ▁defeated ▁ ▁Helen ▁G our lay ▁C aw ley , ▁ 6 – 3 , ▁ 6 – 0 ▁It ▁was ▁G ool ag ong ▁C aw ley ' s ▁ 6 th ▁career ▁Grand ▁S lam ▁title . ▁ ▁Men ' s ▁doubles ▁ ▁Ray ▁R uff els ▁/ ▁ ▁All an ▁Stone ▁defeated ▁ ▁John ▁Alexander ▁/ ▁ ▁Phil ▁D ent , ▁ 7 – 6 , ▁ 7 – 6 ▁ ▁Women ' s ▁doubles ▁ ▁Ev onne ▁G ool ag ong ▁C aw ley ▁/ ▁ ▁Helen ▁G our lay ▁C aw ley ▁vs . ▁ ▁Mon a ▁Sch alla u ▁Gu err ant ▁/ ▁ ▁Ker ry ▁Mel ville ▁Re id , ▁shared ▁due ▁to ▁ra ined ▁out ▁final ▁ ▁M ixed ▁doubles ▁Compet