By Coach XT (Tan Xu Teng) — Founder of TAG International Tennis Academy, PTR Full Professional, career-high ITF Men’s 35+ World #56, and Head Coach at Nanyang Girls’ High School and Hwa Chong Junior College since 2018. Reviewed by the TAG coaching team.

It is one of the most common questions I get from parents of a keen young player: “My child loves tennis — should they drop their other sports and focus on it?” It is a fair question, and my honest answer often surprises people. After more than two decades developing juniors in Singapore, including players who have gone on to national squads and overseas scholarships, my firm view is that the children who go furthest in tennis are almost never the ones who specialised earliest. Here is how I think about early sports specialisation — what the research actually shows, where tennis is genuinely a little different, and how I would time the decision for a Singapore junior.

What “Early Specialisation” Actually Means

Specialisation is not the same as loving one sport. A child who plays tennis twice a week and still does PE, swims and runs around at the playground has not specialised — they have simply found a sport they enjoy. Early sports specialisation means something stricter: intensive, year-round training in a single sport, to the deliberate exclusion of others, usually before puberty. That distinction matters, because it is the exclusivity and the year-round volume that carry the risks below, not the fact that your child has fallen in love with tennis.

What the Research Says About Specialising Too Early

The sports-science consensus here is unusually clear. The American Academy of Pediatrics recommends that children delay specialising in a single sport until late adolescence, around 15 or 16. The reasons are well documented:

• Overuse injuries. Roughly half of all youth sports injuries are overuse injuries — the repetitive-load problems (elbow, shoulder, knee, back) that come from doing the same movement thousands of times without variety. The risk climbs for children who train more hours per week than their age in years, or who play one sport more than about eight months a year.
• Burnout. An often-cited figure is that around 70% of young athletes drop out of organised sport by age 13. Early, pressured specialisation is associated with higher rates of stress, anxiety and simply losing the love of the game — the single biggest predictor of a child quitting.
• It does not even help long-term. Multi-sport children, who “sample” broadly when young and specialise later, tend to have a better chance of reaching a high level and of staying in sport for life. Diversifying early and focusing later is, for most sports, the higher-performance path — not just the safer one.

In other words, pushing a nine-year-old into a tennis-only, year-round grind is more likely to produce an injured or burnt-out thirteen-year-old than a national champion.

“But Isn’t Tennis Different?”

This is a fair pushback, and I want to be honest about it. Tennis is a technical, skill-intensive sport, and players tend to peak in their early-to-mid twenties — so unlike, say, a late-developing endurance sport, there is real value in building clean technique and court sense young. That is true. But notice what it argues for: early skill exposure, not early single-sport specialisation. A child can build a wonderful tennis foundation — grips, footwork, the red, orange and green ball pathway — while still playing football at school, swimming on weekends and generally being an athletic kid. The danger has never been starting tennis young. The danger is making it the only thing, all year, too soon.

What I Recommend for Singapore Juniors

Here is the practical version I give parents at TAG, stage by stage:

• Under about 10: sample widely, keep tennis fun. Let your child play several sports. Tennis at this age should be play-based and age-appropriate — the right ball colour, the right racquet, and a frequency that leaves them hungry for more, not exhausted by it. My guide on how often a child should have tennis lessons walks through sensible frequency by age and goal.
• Respect the load. A useful rule of thumb from sports medicine: a child should not train more hours per week than their age in years, should keep at least one full rest day, and should take a genuine off-season break from their main sport. Singapore’s school-holiday calendar is actually a gift here — a holiday tennis camp in March, June or December lets a keen child add a burst of volume and improvement without committing to a year-round single-sport grind.
• Specialise gradually in the teens. As a player’s goals sharpen — a school team, a DSA tennis place, a national ranking — tennis naturally takes up more of the week. That is the right time to increase focus, and our competitive junior tennis programme ramps training load deliberately and with proper conditioning, rather than all at once.

The Case for a Second Sport

A second sport is not a distraction from tennis — it often makes a better tennis player. Different sports build a broader movement vocabulary, share out the physical load so no single joint takes all the stress, and sharpen the decision-making and competitiveness that transfer straight back to the court. Racquet sports crossover especially well: the smaller court and quick hands of pickleball build hand-eye coordination and net reflexes that feed directly into a child’s tennis — a fun weekend complement rather than a competitor for their attention.

If you want proof that longevity beats early intensity, look at the coaches who are still competing at the top. Our own Coach Bo Alburo is ranked ITF Men’s 35+ World No. 2 and still winning on the veterans’ circuit — the players who last are the ones who stayed healthy and kept loving the game, not the ones who burned hottest at eleven. And through our partner academy Sanwa X, advanced juniors can train alongside Japanese professionals such as Coach Kento Takeuchi, a former ATP World No. 378 and All-Japan junior champion who came up through one of the world’s most structured junior pathways — living proof that a long, patient development runway is what produces real players.

How We Develop Juniors at TAG

At TAG International Tennis Academy, every junior programme is built around long-term development, not short-term intensity. Our certified, tournament-proven coaches watch for the warning signs of overload and burnout, structure training to match a child’s age and stage, and will tell you honestly when your child needs more challenge — or when they need a lighter week. You can meet the full team on our coaches page, and players on the high-performance track train under Coach XT — a tennis coach in Singapore with a national-team coaching background. Across the TAG International network we run programmes island-wide and indoors at Winchester Tennis Arena, so training continues rain, haze or shine.

If your child is just starting out, our kids tennis lessons keep the early years playful and pressure-free — exactly the foundation the research says works best. To talk through the right pathway for your child, message us on WhatsApp at +65 8962 8400 or browse our tennis coaching programmes.

Frequently Asked Questions

At what age should my child specialise in one sport?

Major sports-medicine bodies, including the American Academy of Pediatrics, suggest delaying specialisation in a single sport until around age 15 or 16. Before then, children do best sampling several sports. You can still take tennis seriously and train well in these years — the goal is simply to avoid year-round, single-sport exclusivity too early.

Is it too late to get good at tennis if my child plays other sports?

No. Many high-level athletes were multi-sport children, and the research suggests diversifying early and focusing later gives a better chance of reaching a high level. Movement skills transfer between sports. What drives progress in tennis is consistent, quality coaching and a child who still loves the game — not exclusivity.

How many hours of tennis a week is too much for a child?

A widely used rule of thumb is that a child should not train more hours per week than their age in years — so about ten hours for a ten-year-old, as an upper guide. Keep at least one full rest day each week and a genuine off-season break. Overuse-injury risk rises sharply beyond these levels and with year-round single-sport training.

My child only wants to play tennis — should I let them?

Loving one sport is wonderful and worth encouraging. Keep it healthy with sensible weekly load, proper rest and, ideally, some cross-sport movement for variety. Watch for burnout signs — dread before sessions, nagging aches, a drop in enjoyment. A good coach monitors this and will help you keep the long game in view.

About the author: Coach XT (Tan Xu Teng) is the Founder of TAG International Tennis Academy, a PTR Full Professional with a career-high ITF Men’s 35+ World #56 ranking, and Head Coach at Nanyang Girls’ High School and Hwa Chong Junior College. Explore the full TAG coaching team.