Peterson crashes out in Saint-Malo


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Russian Gracheva will face Italy's Jasmine Paolini in the last four after she overcame Anna Karolina Schmiedlova 6-3 7-5.

Peterson's defeat means Viktorija Golubic is the highest-ranked player remaining, the No.5 seed, from Switzerland, cruising past Aliaksandra Sasnovich 6-1 6-0.

She will face Harmony Tan in the semi-finals after the French player saw off Aliona Bolsova 7-6 (7-3) 6-0.