Serve Ball Toss Variations Explained: Flat, Slice and Kick

Ask a group of coaches to name the most under-practised part of the serve and nearly all of them will say the toss. Players spend hours on the swing and almost none on the one movement that decides whether the swing has a chance. A toss that drifts twenty centimetres off its spot changes the contact point, the racquet-face angle and the spin, and the player then "fixes" the swing to chase the bad toss. The serve gets worse while the player works harder.

This guide covers where the toss should go for each of the three main serves, how the two common stances change those positions, and how to practise the toss so it stops being the variable.

One toss or three?

There is an honest disagreement among coaches here, so it is worth setting out plainly.

Camp one: one toss, three swings. Toss to the same spot every time (roughly 1 o'clock for a right-hander, a little in front) and produce flat, slice or kick purely by changing the swing path and the racquet face. The argument: a single toss is easier to groove, and it disguises the serve because the returner cannot read the toss.
Camp two: three tosses. Move the toss slightly for each serve: more in front for flat, a touch further right for slice, further left and behind for kick. The argument: the different contact points make the spins far easier to produce, especially for juniors and club players, and the differences are small enough that good returners struggle to read them anyway.

For most players below professional level camp two wins. Trying to hit a kick serve off a toss that is out in front is how people get a weak topspin serve that sits up. Start with three distinct tosses to learn what each serve feels like; the gaps between them tend to shrink on their own as the swing improves.

The reference: toss position for a flat serve

Imagine a clock face on the ground, with the server standing at the centre facing the net. 12 o'clock is straight ahead towards the net. For a right-hander:

Direction: between 12 and 1 o'clock, so slightly to the right of straight ahead.
Distance in front: roughly 30–45 cm in front of the baseline. If the ball were left to drop it should land inside the court, not on the line.
Height: just above the maximum reach of the racquet. The racquet meets the ball at or just after the top of the toss, when it is nearly still. Tossing far too high makes timing hard; tossing too low rushes the swing.

The flat serve wants a contact point high and in front, with the racquet face square to the target and the body driving up and forwards through the ball. That is why the toss is forward: it pulls the server into the court.

Left-handers mirror everything: 11 o'clock becomes the flat-serve reference.

Slice serve: a touch further right, same distance forward

The slice serve is hit by brushing across the outside of the ball (the right side, for a right-hander) so it curves left in the air and skids away from a right-handed returner's forehand in the deuce court.

Direction: around 1 to 2 o'clock, so a little further to the right than the flat toss.
Distance in front: similar to the flat serve, still clearly in front.
Why: moving the toss to the right lets the racquet travel across the ball from left to right naturally, without the server having to contort the wrist. The contact point is a little lower and more to the side than the flat serve.

A common mistake is to toss for a flat serve and then try to "cut" the ball with the arm. The result is a serve that is slow and does not curve much. Move the toss first.

Kick serve: behind the head and to the left

The kick (or topspin) serve is the one that changes most. The ball is hit from low left to high right (right-hander), brushing up the back of the ball so it jumps high and to the returner's left on the bounce.

Direction: 11 to 12 o'clock, so to the left of straight ahead.
Distance in front: much less. The toss is roughly over the head or only a little in front of the baseline, so the server has to arch slightly and hit "up" at the ball.
Height: can be slightly lower than the flat toss, because contact is made more at the top of the swing arc than at full stretch.

The reason this toss is so different is the swing path. To brush up the back of the ball the racquet must be travelling upwards and across at contact, and that is only possible if the ball is above and slightly behind the server. Toss a kick serve out in front and the racquet is forced to come over the ball instead of up it.

How the stance changes the toss

Platform stance

Feet stay roughly where they start, about shoulder-width apart, with the front foot angled towards the net post and the back foot roughly parallel to the baseline. The server rotates and drives up from this base without moving the feet together.

Toss implications: the platform stance tends to send the body slightly less forward into the court, so flat and slice tosses can sit a touch closer to the baseline than for a pinpoint server. The platform is more stable and is often the better choice for juniors still learning to balance the leg drive.

Pinpoint stance

The back foot slides up to join the front foot during the toss, so the server launches from a narrow base. It produces more height and forward momentum and is common on tour.

Toss implications: because the body travels further forwards and upwards, the toss for flat and slice serves needs to be a little further into the court, or the server will catch up with the ball and hit it too close to the body. The timing of the foot slide also has to match the toss every time; if the step happens early on one serve and late on the next, the contact point moves even though the toss itself was consistent.

Neither stance is "correct". Choose the one that is more stable for the player and leave it alone.

The tossing arm: mechanics that make it repeatable

Hold the ball in the fingertips, not the palm. Ball in the palm means an extra movement to release it and a toss that varies with the wrist.
Lift with the shoulder, not the elbow or wrist. The arm stays long and travels along the line of the intended toss, and the ball releases at roughly eye level. Flicking it out of the fingers at waist height is the single biggest cause of a wandering toss.
Keep the arm up after release. Leaving the tossing arm pointing at the ball for a beat keeps the shoulders tilted and stops the body opening too early. Dropping it immediately collapses the whole motion.
Toss and takeback go together. In most good serves the tossing arm goes up while the racquet arm goes down and back, so they mirror each other. Rhythm here is personal; a few professionals use an abbreviated takeback. What matters is that the two arms arrive at their positions in time, every time.

Three toss drills

1. Target on the ground

Place a racquet, a spare towel or a ring of balls on the ground at the correct toss spot for the serve being practised (flat first). Toss and let the ball drop. Ten tosses; count how many land on the target. Players are usually shocked by the spread. Repeat for slice and kick spots so the player feels how different they are. This drill alone fixes more serves than most swing changes.

2. Toss and catch at full stretch

Toss as normal and catch the ball with the racquet hand at full reach, with the arm straight up, without moving the feet. If the player has to reach forwards, sideways or back to catch it, the toss was off. This builds the connection between the toss and where contact will actually be.

3. Serve with the eyes closed after the toss

Toss with eyes open, close them as the ball leaves the hand, and hit. It is awkward for the first few, but it forces the player to trust a consistent toss and stops the habit of making mid-swing adjustments to chase the ball. Only do this on a safe, clear court.

A note on wind and sun

A low sun or a stiff wind are the two things that legitimately change the toss. In wind, toss lower and faster through the whole motion. Into the sun, servers often shift their stance a step along the baseline so the toss is slightly out of the glare, rather than changing the toss position relative to the body. Practise these occasionally; they are match realities, not excuses.

Where to go next

Once the toss is reliable, the serve becomes a swing problem, which is a far better problem to have. For how the serve fits into a match plan, including when to use which serve and to whom, see competing. For how racquet weight and balance affect a junior's serve, start with choosing a junior racquet.