Follow Blue outside.
From Create Your Own Story
You want a greater challenge than that- Of course, you didn't doubt Red's skill, but you knew your type advantage would almost be a guaranteed win. That, and you'd love rubbing Blue's face in a win.
"Hey Dweeb!" You call out in a mocking tone similar to the one he took up almost exclusively when addressing you and red. This took him by surprise, the spike-haired boy quickly turning and sneering in his trademark fashion. "Get outta here, kid. I got better places to be, and bigger fish to fry!" He tries to dismiss you, but you're able to march right ahead of him to make sure he takes notice. "I'm not going anywhere until we get this started proper." You say in your most bold voice, to which Blue can only give a cocky laugh, pulling out the ball from his pocket. "Okay, fine! Your funeral." He replies as he sends out his Squirtle, crossing his arms. "And a battle's a battle, so you already know what I'm asking for when I win."
The looming thought of Blue fucking your brains out hadn't left your mind when taking the battle into account. All you know is that if you win, you can just avoid it outright, so just win... Granted that distracting thought could lead you do just throwing it outright-