Mike Bryan of Camarillo and Bobby Rodriguez of Sherman Oaks each lost in the round of 16 Thursday at the $12,500 L.A. Fitness Warner Center satellite professional tennis tournament.
Jan-Michael Gambill of Colbert, Wash., defeated Bryan, 6-1, 6-3. Matthew Breen of Australia eliminated Rodriguez, 5-7, 6-1, 6-2.
Top-seeded Alejandro Hernandez of Mexico advanced to the quarterfinals by beating Igor Chelichev of Russia, 6-3, 6-3.