Former French Open champion Carlos Moya and top seed David Nalbandian both had to fight off determined outsiders to advance into the quarter-finals of the Estoril Open Thursday.
Moya, the winner here in 2000, blunted a late charge from Argentine Gustavo Marcaccio 6-1, 7-5 while Argentine top seed David Nalbandian, the 2002 champion, saw off France's world ranked 522 Jeremy Chardy 6-1, 7-6 (7/0).
Portugal's Frederico Gil rallied from the brink to surprise Russian fifth seed Dmitry Tursunov 4-6, 6-4, 6-1 for a place in the quarters.
In the women's draw, China's Zheng Jie and Li Na repeated their 2005 breakthrough performances.
Sixth seed Zheng beat Laura Pous Tio 6-2, 2-6, 6-3 while and number eight Li Na crushed Czech Katerina Bohmova 6-1, 6-0.
Spanish third seed Lourdes Dominguez Lino booked her place in the last eight over Kaia Kanepi of Estonia 6-1, 6-4.
Emilie Loit of France, the 2004 champion, came through to oust Argentine Natalia Gussoni 6-2, 6-2.
