Topspin makes the ball rotate forward in the air. The rotation pulls the ball down in flight and makes it jump forward after the bounce, so you can hit well above the net and still land inside the baseline. That extra margin is why topspin is the standard groundstroke in modern tennis.
You need two things: a swing that rises through the ball, and enough racket speed for the strings to grip it. A lot of advice stops at "swing low to high". The measurements below show why that is only half of it.
What actually creates topspin
The strings have to move up the back of the ball at contact. A 2017 study in the Journal of Sports Science and Medicine measured this in 13 NCAA Division I men. Their topspin was linked to two things: how fast the racket moved upward (6.6 m/s on average, about 15 mph) and a more closed racket face. Racket trajectory, horizontal speed and the length of the hitting zone showed no link. Average spin was 969 rpm.
This was a small group of strong players, so read it as a guide. It still explains a common club problem. A steep swing that moves slowly can produce less spin than a moderately rising swing that moves fast, because upward racket speed is what counts.
A 2013 review gives rough swing paths at impact: about 20 degrees above horizontal for flat strokes, about 40 degrees for topspin and about 70 degrees for topspin lobs. It reports about 20 degrees for intermediate players and about 30 degrees for advanced players. The authors note that these values have not been tested across a wide range of conditions, so use them only as a rough reference.
How to hit topspin, step by step
These steps describe a forehand. The same idea applies on the backhand, and the two-handed backhand guide covers how the two arms share the work.
- Choose a grip that allows it. An Eastern or semi-western forehand grip is the usual start. A Continental grip leaves the face open at a normal contact point, which makes topspin hard.
- Turn early. Turn your shoulders with the racket as one unit. Some players then lift the racket into a loop and others take it straight back. Both can work, because the next step is what matters.
- Let the racket head drop below the ball. Before the forward swing, the racket head should be lower than the height where you plan to hit. That is the "low" in low-to-high. On low balls, bend your knees so your whole body goes down.
- Make contact in front, with a square to slightly closed face. Meet the ball in front of your body. If the strings point at the sky, the ball will float.
- Swing up and forward, fast. Hold the handle loosely so the racket head can accelerate. A common cue is a grip pressure of 3 or 4 out of 10.
- Let the finish happen. The racket usually ends over your opposite shoulder, or across your body on a faster swing. The finish is a result of the swing, and forcing one particular shape adds no spin.
- Aim high. A useful starting target is to clear the net by about 1 metre (3 feet), which is roughly the height of the net itself at the center. Topspin brings the ball back down.
Which grip is best for topspin?
Any forehand grip from Eastern to Western can produce topspin. Semi-western is a common choice for club players, and coaches differ on how far around the handle to go. The 2013 review reports that on hard courts, Eastern-grip players typically hit just below hip height, and semi-western and Western players hit above it.
| Grip | Spin | Natural contact | Trade-off |
|---|---|---|---|
| Eastern | Moderate | About hip height | Easier on low balls and flat drives, harder on high balls |
| Semi-western | High | Hip to chest height | Good all-round, though very low balls take more knee bend |
| Western | Very high | Waist to shoulder height | Handles high balls well, but low balls and flat shots are hard |
Topspin advice worth dropping
| Common advice | What is closer to the truth |
|---|---|
| "Roll the racket over the ball" | Contact is extremely brief, and the forearm turn you see comes after the ball has left. A review in the British Journal of Sports Medicine rates forearm pronation as a negligible contributor to racket speed on the topspin forehand. |
| "Flick your wrist" | The hand does contribute: about 20% of racket speed at impact, in the same review. Coaches generally teach a loose wrist that the swing whips through, because a separate flick is hard to time. If your wrist or arm hurts, stop and see a professional. |
| "Swing steeper for more spin" | In the NCAA study, trajectory was not linked to spin and upward racket speed was. Add speed before you add steepness. |
| "More spin means more accuracy" | None of the five racket variables in the NCAA study significantly predicted total accuracy. Spin gives you more room over the net and inside the baseline, and you still have to aim. |
| "Topspin means slow, loopy balls" | Loopy is a choice of height. The 2013 review puts racket speed at 21 to 24 m/s (47 to 54 mph) for club players and about 33 m/s (74 mph) for professionals, so there is room to swing faster and keep the ball in. |
Topspin drills to try on court
Run these in order. Each one has a target, so you know when to move on. The targets are suggestions, so adjust them to your level.
- Fence brush (20 swings). Stand in your hitting stance, about an arm and racket length from the fence, as if the fence were the ball. Rest the strings against it at knee height and slide them up to shoulder height as you swing. This teaches the path and the face angle together.
- Service-box rally (until you reach 20 balls). Stand on the service line, with a partner on the other service line, and rally into the service boxes. Every ball must clear the net by at least a racket length and still land in the box. A full swing only stays in the box if most of its speed goes upward into spin. Target: 20 balls in a row.
- High window from the baseline (3 rounds of 10). Rally from the baseline and aim about 1 metre (3 feet) above the net. Count the balls that clear that height and land beyond the service line. Target: 7 of 10. If you have a rope, tie it above the net as a visible window.
- Speed ladder (30 balls). Hit 10 balls at about 50% effort, 10 at 70% and 10 at 90%, keeping the same height over the net. Move up only when 7 of 10 land in. If balls go long as you speed up, send more of the extra speed upward before you slow your arm down.
How to check your topspin on video
Film 10 forehands from the side, level with your contact point, and pause at three moments.
- Start of the forward swing. Is the racket head below the height where you will hit the ball?
- Contact. Is the ball in front of your hips, and is the face close to vertical or slightly closed?
- Two or three frames after contact. Has the racket head clearly risen compared with two or three frames before contact?
Then watch the ball. It should arc over the net, dip and jump forward after the bounce. Use this table to decide what to try next.
| What you see | What it suggests | What to try |
|---|---|---|
| Racket stays at ball height until contact | A flat swing | Drop the racket earlier and use the service-box rally |
| Rising path, but the ball floats long | An open face | Check your grip and the face at contact |
| Rising path, but the ball lands short and slow | Too little racket speed | Loosen your grip and use the speed ladder |
| Good path on slow feeds, flat in rallies | Too little time | Prepare earlier, then test again at rally pace |
If your misses have a clear pattern, the guides on shots that go in the net and shots that go long help you tell the causes apart.
For a second opinion on the swing itself, TennisAI's video analysis gives automated feedback on swing path and stroke technique, and it can be wrong. Its listing does not advertise spin measurement or ball tracking, so judge the ball flight yourself.
Frequently asked questions
Does topspin come from the wrist?
Mostly no. One review estimates that the hand contributes about 20% of racket speed on a topspin forehand, with most of the rest coming from the upper arm and shoulder. A loose wrist helps, but a separate flick is hard to time.
What grip is best for topspin?
Semi-western is a common choice, and Eastern and Western grips also work. A Continental grip makes topspin hard on groundstrokes.
How high over the net should topspin go?
A useful starting target for a rally ball is about 1 metre (3 feet) above the net. Lower it when you attack and raise it when you are defending.
Why do my topspin shots land short?
Usually the swing is too slow or too steep, so the ball has plenty of height but little forward speed. Swing faster and drive forward through the ball as well as up.
Can beginners learn topspin?
Yes. Start with slow swings in the service boxes and a low-to-high path, ideally with a coach checking your grip. Add speed once the ball lands in reliably.
See this in your own game
Upload a practice or match video to TennisAI and get feedback on your forehand, backhand and serve.
Sources
- Journal of Sports Science and Medicine: Influence of Tennis Racquet Kinematics on Ball Topspin Angular Velocity and Accuracy (Kwon et al., 2017)
- Journal of Sports Science and Medicine: Mechanics and Learning Practices Associated with the Tennis Forehand (Reid, Elliott and Crespo, 2013)
- British Journal of Sports Medicine: Biomechanics and tennis (Elliott, 2006)
- ITF (now World Tennis): 2026 Rules of Tennis (net height)
This article is general information about tennis training and does not replace a coach or medical advice. Stop and see a professional if something hurts. TennisAI is made by Pace, the publisher of this blog.
