melzer shocks agassi in san jose second seed andre agassi suffered a comprehensive defeat by jurgen melzer in the quarter-finals of the sap open.  agassi was often bamboozled by the austrian s drop shots in san jose  losing 6-3 6-1. defending champion and top seed andy roddick rallied to beat sweden s thomas enqvist 3-6 7-6 (8-6) 7-5. but unseeded cyril saulnier beat the fourth seed vincent spadea 6-2 6-4 and tommy haas overcame eighth seed max mirnyi 6-7 (2-7) 7-6 (7-3) 6-2. melzer has now beaten agassi in two of their three meetings.   i had a good game plan and i executed it perfectly   he said.  it s always tough to come out to play andre.  i didn t want him to play his game. he makes you run like a dog all over the court.  and agassi  who was more than matched for power by his opponent s two-handed backhand  said melzer was an example of several players on the tour willing to take their chances against him.  a lot more guys are capable of it now   said the american.  he played much better than me. that s what he did both times.  i had opportunities to loosen myself up   agassi added.  but i didn t convert on the big points.