Above all, Martin has a tic. A tell. Some players, when serving, look at their opponent. Some look at nothing. Martin looks at a particular spot in the service box. If he stares a long time at that spot, he’s serving in the opposite direction. If he merely glances, he’s serving right at that spot. You might not notice it at o-o, or 15-love, but on break point, he stares at that spot with psycho eyes, like the killer in a horror movie, or glances and looks away like a beginner at the poker tables.
