Well, I copied this from shiraishi, but hope fully he will let me...
Ryoma Echizen
Twist serve- this serve is doable but to a certain degree. Twist serves are primarily used as second serves any "twist serves" done, as a first serve will become a slice serve. Also take notice that whenever Ryoma does a twist serve he is standing on the same side that he served on before. However when twist serves are done they are the hardest to return since they bounce towards your body. I once had a couch that nailed my Adam's apple quite hard with that serve actually. To do this serve start with an eastern grip, and make your toss slightly to your left and a little behind your head. Start with your knees bent and your back almost facing the net. Once you throw the ball bend your back with your racquet as far back as possible, (to create enough power) but make sure the racquet face is still facing the net. You'll automatically notice the similarity in ryoma's serve, and notice how when he hits the ball he jumps slightly and how his racquet head is nearly parallel to his head. This motion is called pronation, which by twisting your wrist to you dominant side creates spin. Since your using an eastern grip the racquet will create sidespin much better than your normal grip once you hit the ball. The amount of spin depends from player to player. In ryoma's case he usually puts in a lot of sidespin, which can be done with a lot of practice. To see a video analysis of this serve go here:
tennis.about.com/od/serve/ss/servetwistsbs.htmTwist smash
This is doable and is done in the same fashion as the serve except it’s used for a smash.
Split Step
Common among all professional players, especially Pete Sampras. However ryoma's one footed split step has many flaws, which is why we don’t see pro’s doing it most of the time. By bouncing on foot you leave an opening on the side in which you jump. If a player continually hit towards that one foot we'd find that ryoma has a major cramp in his leg. This surprised me because no one seemed to figure it out. Also another disadvantage this has is that it makes the user lose stamina because of the contraction and expansion of the leg mussels.
Drive A
A doable drive shot that is done when a person is close to the net and the ball bounces high to his dominant side. The person will normally hit hard and low but for a more effective shot I normally tilt the racquet 45 degrees forward so that half the racquet face is facing the ground while the other half is facing up.
DriveB
Another drive volley but one that is hit with topspin. It's done in the same way as a drive shot but by pulling the racquet towards you, you create the topspin, which enables a double bounce.
Drive C
It's fake so I won't go into it.
cool drive
Fake as well.
Cyclone smash
Need I say more? It's fake
Muga no kyochi
I haven't been able to prove this one since we don't see a lot of pro's with "special moves". However I did find that it's possible to take knowledge from certain matches and use it to create a shifting game style.
Eyes Closed technique
Not possible. There’s tennis for the blind but that with the ball emitting sound at all times.
Damn I think I just finished the first character
Momoshiro
Dunk smash
Doable it's a jumping overhead smash though it's exaggerated by the extreme 7 foot jump. Pete sampras is great at these, but it's just a normal smash with extra power due to the velocity and force of the jump.
Momoshiro special
Doable it's just the dunksmash with extra sidespin or slice.
jacknife
One word- Nadal. He is the master at this backhand. It's done usually by a low tension racquet somewhere around 50-52 or lower. Start by a dual handed backhand. Move the racquet back as far as possible, wait till the last moment and swing with all your power. Make sure the follow through lasts long as possible because that’s what gives the shot it’s power. However to do this shot many times the user must have a great sense of balance since the shot requires the full body swing of making the shot.
Momoshiro's skill
It's the move where he can sense wind I think. Well it's fake but there was another skill inui said he had. Something with psychology well that’s real and is present in most pro’s especially Federer.
Did I forget something?
kaidoh
Snake
A.K.A Buggy whip shot that is present among two pro's, Lindsay davenports and Roger federer. This is the most interesting shot I researched and it took me the longest to understand. In general the shot is done by the topspin placed on the ball making it curve. To do this shot start with your regular stance to hit a topspin remember that you must hit the ball while it's low creating a "Whip".
Once the ball is near you hit the ball with with the top portion of your strings. slide the ball towards the sweet spot and release the shot with a twist of your wrist. Remember that the end of the follow through ends with the raquet high over your dominating shoulder. At first you may make the shot into a lob but over time it'll develop into a real curve. Oh if you were wondering if it was possible to do what kaidoh does; it is. I can't remember what tape it was but it was lindsay daveport in 2004 and she hit an extreme buggy whip shot similar to one kaidoh did.
Boomerang snake
It has only been done twice in the last five years, and in both times it was during a doubles match. The person doing the shot must be pulled far out to the sides. Once this happens when the person hits the shot he will try to do buggy whip shot to make it go in but what happens is that it goes low around the poleand nits the other side. If anyone can hit this shot perfectly he is a tensai because it only happens rarely and if anyone can hit this shot in a singles court then he is god.
Short snake
Possible, it's done near the net when a person doesn't use the snake as a long shot. It's done the same way a snake is except it has less power.
Tornado snake
Impossible out of the question
Kaidoh Beam
I haven't discussed the shot much but it looks some what in the form of an underhand heavy topspin shot. Which takes quite a bit of skill to pull off. When a regular player uses the shot he most likely turns it into a lob that goes out however if you time the swing and hit forward instead of upward then the shot will go in. When doing this shot make sure you use either a western or semi western grip to produce maximum topspin.
The rest I'll try to retype in my free time.
