Tennis Improvement Memo 133. How to increase your serve percentage right now?
▶ Does hitting the serve high cause faults?
Players with a low serve percentage tend to aim too close to the net.
Rather than "aiming too much," it's because they have an image that hitting high will result in an over-fault, so theyunconsciously aim too close to the netのです。
When I say this, people reply, "But if I hit it high, it feels like it will be an over-fault..."
▶ Serves also fly in a curve and draw a "parabola"
Certainly, if you look at the opponent's court from the perspective of the hitting point, which you can verify using a referee's chair or similar,the service line is laid out lower than the white tape of the net.
Therefore, if you hit a serve in a straight line, it physically will not go in.
However, that is"if you hit it in a straight line.".
It is often said that to hit a serve in a straight line into the service box, you need to be over 2 meters tall when calculating the connection between the net height and the distance to the service line.
"What should I do, being 160 cm tall?"
Please rest assured.
No player's serve flies in a straight line; it always reaches a breaking point and, to varying degrees, bows down significantly (Reference article "If it's different from your image, your image is off. That is a 'new discovery'").
Unless it's a dunk smash hit from near the net, basically every tennis shot is affected by gravity and air resistance, drawing a curved parabola as it flies.
Due to the air resistance clinging to the fuzz of the ball and the powerful work of Earth's gravity that keeps us tethered to the ground instead of throwing us into outer space, the ball drops significantly.
So, it is perfectly fine to pass it through a higher trajectory than the net.
For strokes, your eye level and the hitting point are relatively close, so it's easy to understand that you hit with a parabola, but in the case of a serve, the two hitting points are far apart, so it's even easier to have the wrong image that you can hit it in a straight line (Reference article "You won't hit it long even if you hit it up")
▶ The image of passing through a high trajectory creates a "spin serve"
Also,if you have an image of passing through a high trajectory over the net, your swing is more likely to go from low to high, so the ball gets topspin, making it easier to drop even if you pass it through a high trajectory, and it becomes easier to get it into the service box.
You don't hit a high trajectory because you do a spin serve swing from low to high.
You do a spin serve swing because you have an image of passing through a high trajectory.
"Whether it is extroverted or introverted", in that respect, the two are similar but different.
The player who tilts their head saying, "If I pass it high over the net, it feels like it will be an over-fault..." is just doing that because they are hitting with a "straight trajectory image."
If you use a risky hitting method that aims just over the net, you won't be able to develop a stable serve.
▶ The cause of mistakes is "mismatch in hitting timing"
The reason a serve doesn't go into the service box, assuming there is no mismatch between your image and reality, isbecause your hitting timing is off.
It is not because the position of the toss is off.
Boris Becker would go for it even if the toss was off by 30 centimeters, remember?
The location of the hitting point can be that approximate.
You hit at the "proper hitting time" of "Now!" and "this moment".
Of course, if you want to redo a toss that is off in position, you can, but being too nervous about the location can also be a cause for missing the timing (hitting timing).
▶ Because you can hit with peace of mind, it goes in!
Hit at the "proper hitting time" of "Now!" and "this moment!"
On top of that, for example, try aiming 1 meter above the white tape.
I think you will be able to hit with great peace of mind.
This is because just by doing that, you eliminate the worry of net faults, which account for about half of all mistakes (side faults are relatively few).
▶ Do not deviate from your aim
However, please do notconsciously control your serve by saying, "It went too high, so a little lower," or "It went too low, so a little higher."
Until your control stabilizes, keep aiming 1 meter above the white tape without deviating.
Then, eventually, you will be able to develop highly stable serve control that can consistently pass through the same trajectory.
Once your standard aim is set, you will also be able to aim for the center, wide, or body courses.
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