If you're experiencing lag in Pro Evolution Soccer 2018 with the latest AMD drivers (18.10.1), there are a few steps you can try to address the issue. First, make sure your system meets the game's recommended specifications. Next, consider updating to the latest game patches and verifying game files for any potential issues. Additionally, you can try adjusting in-game graphics settings to lower levels or disabling any unnecessary background processes to free up system resources. If the problem persists, you may want to revert to a previous stable driver version or contact AMD support for further assistance specific to your hardware and software configuration.