Jarmila Groth of Australia advanced to the quarterfinals of the Hobart International on a day when rain disrupted play in this Australian Open tuneup. Groth, seeded sixth, defeated Austrian qualifier Tamira Paszek 6-4, 7-6 (5) Tuesday night. It was the only singles match completed at Hobart's Domain Tennis Centre. Fourth-seeded Roberta Vinci of Italy won the first set 6-3 against Elena Baltacha of Britain before rain halted play. Read more: http://sports.espn.go.com/sports/tennis/news/story?id=6012713