Of all the ways to improve a serve, raising your contact point might be the highest-value and the most overlooked. It doesn't require more strength, more coordination, or more nerve — just meeting the ball at the top of your reach instead of a collapsed few inches lower. And the payoff is enormous, because contact height is the metric almost everything else on the serve exists to serve.
Why reach is free pace
Think about what a higher contact point buys you. A ball struck at full stretch starts from higher up, which means it can travel flatter and still clear the net, and it opens a bigger window of the service box to aim at. More clearance, more angle, more margin — all from reaching higher, none of it costing you any extra effort. That's why coaches call reach the cheapest pace in tennis: you're not adding power so much as removing the handicap of hitting from too low.
The legs and the toss both exist, in part, to feed this one thing. Loaded legs drive you up into a higher contact. A good toss hangs where you can reach it at full stretch. When servers say a change "added pace," what often really happened is they started meeting the ball higher.
What the camera reads
CoachVision measures contact reach as how high your hitting wrist rises above your head at the strike, in torso-lengths — against your own body, so a tall server and a short one are graded fairly, never in feet or mph. It's pure reach: full extension reads high, a collapsed arm reads low. This one is one-sided — you can't reach too high — so the reading only ever encourages you toward taller.
Two culprits usually sit underneath a low number, and both are upstream. A racquet that never dropped forces you to push from a bent arm instead of throwing from full extension. And legs that never loaded leave you serving flat-footed instead of driving up. If your reach reads low, check those two before you blame the reach itself.
The drill — Reach-Up Freeze Frames
Teach your body the top of its reach by freezing there. Serve, and at the finish of the reach, freeze: arm fully extended, contact point high and slightly in front of you. Hold it. Ask yourself — or let a friend or the phone check — could you have touched a ball any higher? If the answer is yes, you left reach on the table.
Ten serves, freezing the finish of each one. The freeze matters because it makes the top of your reach a place you visit on purpose, not a spot you rush past on the way down.
Then film a side-on serve and watch the reach number climb. When you're meeting the ball at full stretch every time, you'll have bought yourself clearance, angle, and margin — the cheapest pace in the game — without swinging one bit harder.