QUEBEC CITY - Canada's Rebecca Marino was eliminated from the Bell Challenge women's tennis tournament Friday, dropping a 6-4, 7-6 (4) decision to American Bethanie Mattek-Sands. The loss ends a nice run for the Vancouver player, who upset top-seeded Marion Bartoli earlier in the US$220,000 indoor hardcourt tournament. Mattek-Sands will face third-seeded Lucie Safarova in the semifinals Saturday. The Czech player advanced with a 4-6, 6-2, 6-4 win over fifth-seeded Melanie Oudin of the United States. In other quarter-final action at Club Avantage Multi-Sports de Quebec, Christina McHale beat fellow American Alexa Glatch 6-3, 6-1, and Austria's Tamira Paszek beat eighth-seeded Sofia Arvidsson of Sweden 6-3, 6-4.