Mel South is the second seed in Mount Gambier.
Melanie South will face Naomi Cavaday in the quarter finals of the Mount Gambier $25K event in Australia after both players won their second round matches on Thursday.
The duo are only two of seven British players to make the final eight - with Natasha Khan, Rebecca Llewellyn, Georgie Stoop, Emily Webley-Smith and Jane O'Dongohue all falling in the earlier stages.
Second-seeded South followed up her 6-4, 6-2 opening round victory over Frenchwoman Violette Huck with a 5-7, 6-1, 7-5 win over German Antonia Matic. Matic had previously beaten the 20-year-old from Surrey at a Chinese event in early August.
"Since arriving from China, I've worked really hard on and off the court both physically and mentally." Mel South
South will now face British No.10 Naomi Cavaday for a place in the semi-finals. Cavaday followed up her her opening round 7-5, 6-2 win over fellow-Brit Emily Webley-Smith with a 6-3, 6-1 win over 6th seed Florence Haring of France.