Women's number one seed Patricia Maria Tig cruised through to the semi-finals of the Canberra International in Bendigo.
The Romanian world number 114 defeated Hungarian qualifier Anna Bondar 6-2 7-5 in their quarter-final clash.
Tig jumped Bondar and won the first five games of the match.
Bondar, ranked 226 in the world, steadied late in the first set and took the game right up to Tig in the second set.
Games went on serve until the 12th game when Tig broke Bondar's serve to win the set and the match.
Tig now plays Indian Ankita Raina, who won through to the semis after her quarter-final opponent Sachia Vickery withdrew because of injury.
In the other semi-final, Georgia's Ekaterine Gorgodze will take on Poland's Magadalena Frech.
Gorgodze upstaged eighth seed Kristina Kucova 7-6 6-3, while Frech thrashed Japana's Chihiro Muramatsu 6-1 6-1.
Gorgodze has defeated the second seed and the eight seed on her way to the final four.
The men's semi-finalists for the Canberra International won't be finalised until Saturday after rain stopped play on Friday afternoon.
Prior to the rain, Finalnd's Emil Ruusuvuori claimed his third seed for the week when he beat eighth seed Dominik Koepfer to go with his victories over Jannik Sinner and Taro Daniel.
Ruusuvuori took a little over an hour to defeat Koepfer 6-3 6-4.
The 20-year-old will now play American Denis Kudla, who has been equally impressive this week, beating top seed Ugo Humberton Thursday and sixth seed Jaume Munaron Friday.
After a tight first set, Kudla proved too strong for Munar 7-6 6-2 in 92 minutes.
The remaining two quarter-finals were stopped by rain.
Germany's Philipp Kohlschreiberhad won the first set 7-6 against Steve Johnson with it locked at 2-2 in the second set.
The match between Korea's Soonwoo Kwonand Russia's Evgeny Donskoyhad just headed into a first set tie-break when the rain suspended play.
The quarter-finals will recommence at 10.30am with the winners to play the semi-finals on Saturday afternoon.
The women's doubles finals will start at 10am, with the singles semi-finals to follow from 11am.
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