Need help with Sharkfood Island

[[PETA] Doodat]

outwitters://viewgame?id=ag5vdXR3aXR0ZXJzZ2FtZXIRCxIIR2FtZVJvb20Y9_rtAww
Here's a good p2 setup. Like Mr. #4 said, you need vision first before advancing. However, I know my opponent did not do what he could have with his turn because he attacked my base. This means he went the soldier up, boost heavy, spawn runner and move runner p1 open. I start with the opening you saw here, and after I figured the enemy did not move heavy up (because he spawned runner turn 1 and turn 3 wouldn't have enough power or wits to attack), so I moved mine up. The rest was easy because my opponent didn't save wits.