Tursonov loses in Oeiras
Wildcard Rui Machado pulled off a remarkable 'double-bagel' win over seventh seed Dmitry Tursunov in front of his home supporters in the Portugal Open in Oeiras.
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The world number 243 broke 32-ranked Tursunov six times and restricted him to just seven points on his own serve in the 47-minute match as he completed a 6-0 6-0 rout.
But Portuguese sixth seed Joao Sousa went down 3-6 6-1 6-2 to Argentina's Leonardo Mayer while Teymuraz Gabashvili was another seeded casualty as he fell 6-3 7-5 to Poland's Lukasz Kubot.
India's Somdev Devvarman beat Australian Matthew Ebden 6-2 6-3 and there were also wins for Victor Hanescu, Daniel Gimeno-Traver, Albert Montanes, Carlos Berlocq and Pablo Cuevas.
In the women's first round, former US Open champion Sam Stosur was a shock casualty as she fell 6-4 6-0 to Swiss qualifier Timea Bacsinszky.
Top-seeded Spaniard Carla Suarez Navarro and second seed Eugenie Bouchard advanced with straight sets wins over Alla Kudryavtseva and Alisa Kleybanova respectively.
Fourth seed Roberta Vinci and fifth seed Kaia Kanepi both advanced, while there were also wins for Barbora Zahlavova Strycova, Polona Hercog, Irina-Camelia Begu, Elena Vesnina, Svetlana Kuznetsova and Maria-Teresa Torro-Flor.