Star Trek Fleet Command Freezing Patrol
Create Distance from the Patrol: As soon as you notice an enemy patrol approaching, move your ship away to create some space. This will buy you time to react.
Select the Incoming Patrol: Click on the patrol ship that’s coming toward you to bring up its details.
Click the Attack Button: Engage the patrol by selecting “Attack.”
Open Your Ship’s Options: While your ship is preparing to engage, click on your ship’s icon at the bottom middle of the screen to bring up its action options.
Recall Your Ship: Click on the “Recall” button from the ship options menu.
Cancel Warp: Quickly cancel the warp action by clicking on your ship again and Click The “RED X” button. to cancel warp as soon as the countdown reaches 1.
Final Step: Then, do not move your ship until the attacking ship freezes. Sometimes, if you move before it freezes, it will reengage.
Here is a video on YouTube.