Read the green
Every green here is made up on the spot, so there's always another one. Pull back to putt, and watch the slope bend the ball.
Pull back from anywhere and let go to putt. Right-click and drag, or use two fingers, to move the camera in either mode. Pull back from anywhere and let go to putt. The dotted line shows where the ball would stop on flat ground. Two fingers move the camera.
Each line is 2.5 cm of height, and heights are drawn ten times taller than real, or the green would look flat. The aim line shows where the ball would stop if the green were flat.