Spider drill times tell you who is fit, not who covers the court

Cone drills measure an athlete moving to a known destination, which is the one thing a tennis player never has to do.

The stopwatch says fifteen point one seconds and the coach writes it down as a movement score. What it really measured was a player running to five places he already knew about, in an order he had rehearsed, with no ball, no opponent and no decision to make.

Court coverage is not a physical quality. It is a perceptual one wearing a tracksuit. The distance a player has to travel is set almost entirely by when he starts, and when he starts is set by how early he reads the ball, which happens off the opponent's shoulder and hip and racket face rather than off the ball itself. A quarter of a second of earlier recognition is worth more than any conceivable improvement in sprint speed over four metres, because at that range you barely reach top speed anyway. Everything is acceleration and everything is decided by the first step.

Which is why elite players so often look slow and get everywhere. They are not slow. They are early, and being early looks like having time.

So the drills that matter are the ones where the destination is unknown until late. Live ball feeding where the coach can go either way and disguises it. Playing points with a constraint rather than running patterns. Even simple hand signals given after the split, which is crude but at least trains the loop that the match will use.

None of this means conditioning does not count. It obviously does, and a player who cannot repeat a hard change of direction in the third set will be found out regardless of how well he reads. The cone drill is a fine fitness test. My objection is to the promotion of a fitness test into a skills assessment, and to the training weeks that follow, where a junior spends hours running to places he was told about in advance and gets faster at the thing tennis does not ask for.

There is one honest use for the pattern work that I would defend. Recovery footwork, the specific sequence of steps that takes a player from a wide forehand back to a defensible position, is genuinely a motor skill and genuinely benefits from repetition without a ball.

But test it in a rally, not against a stopwatch. The stopwatch never lied to anyone. It just answered a question nobody was asking.