Tennis footwear is built to protect. Cushioning, lateral support and a stiff sole reduce the load on tissue during hard changes of direction — and in doing so reduce the demand on the foot's own musculature. Over years, that trade shows up as a foot that is strong at the ankle and quiet everywhere below it.

What the research supports

Studies of foot-core training — short-foot exercises, toe splaying and barefoot balance work — consistently show increased intrinsic foot muscle size and improved dynamic balance over eight to twelve weeks. Transition running research shows that minimal-shoe or barefoot conditions shift runners toward shorter strides, higher cadence and less impact peak at the heel, while loading the calf, Achilles and forefoot considerably more. Both findings point the same way: the tissue adapts, but only if the dose is sensible.

What barefoot work is good for in tennis

  • Split-step and first-step quality. Push-off is a forefoot action. Stronger intrinsic foot muscles improve how quickly the arch stiffens as the foot loads.
  • Balance and proprioception. Skin on the ground gives feedback that a 20 mm midsole absorbs. Single-leg work barefoot is harder and more informative than the same work in shoes.
  • Ankle and foot resilience. Calf, Achilles and plantar tissue that only ever works inside a supportive shoe is less prepared for the moments the shoe cannot help.
  • Recovery days. Barefoot mobility, toe control and light balance work is low-load, high-value filler between hard court sessions.

What it is not for

Do not play tennis barefoot, and do not do heavy plyometrics or hard lateral cutting on court without shoes. The sport's braking forces are exactly what footwear exists to manage. Barefoot work belongs in the warm-up, the gym and the recovery session, on grass, turf or a clean gym floor.

A safe progression

  1. Weeks 1–2 — barefoot around the house; 5 minutes daily of toe splay, short-foot holds and big-toe presses.
  2. Weeks 3–4 — add barefoot single-leg balance, 3 x 30 s per side, then eyes closed.
  3. Weeks 5–6 — barefoot calf raises (double then single leg), 3 x 12, plus barefoot walking on grass 10–15 minutes.
  4. Weeks 7–8 — low-amplitude barefoot pogo hops on grass or a mat, 3 x 20 contacts, and barefoot components of the warm-up.
  5. Ongoing — hold two or three short barefoot sessions a week alongside normal shod training.

Increase one variable at a time and stop if Achilles or plantar soreness lasts beyond 24 hours. Players with diagnosed plantar fasciopathy, diabetes-related neuropathy or a recent foot or ankle injury should progress only under a physiotherapist's direction.

For juniors

Young children develop foot strength and gait through unshod play. Barefoot warm-up games on grass are appropriate at every junior stage, provided the surface is checked first.