After top seed Benoit Paire lost in straight sets on Thursday, the top seed left in the 2012 Farmers Classic tennis tournament is American Sam Querrey, ranked second in the tournament and No. 55 overall. He faces a tough test in Friday's quarterfinal action at UCLA.
Querrey will battle Xavier Malisse of Belgium, ranked No. 71 overall and No. 5 in the tournament, in one of four quarterfinal matches, which get underway Friday at noon.
No. 3 seed Leonardo Mayer of Spain, ranked No. 64 overall, will battle Rajeev Ram, with the winner playing the Querrey/Malisse victor in one Saturday semifinal.
No. 4 seed Nicholas Mahut of France, ranked No. 66 overall, will take on qualifier Ricardas Berankis in another quarterfinal, with the winner facing the winner of No. 6 Marinko Matosevic (No. 73 overall) and Michael Russell.
Russell defeated Paire in straight sets on Friday, 7-5, 6-4, in the upset of the tournament to date.
Quarterfinalists are guaranteed $16,360 in prize money and 45 tour points. A win on Friday guarantees at least $28,715 and 90 points as a semifinalist.