A resistance tube band helps in strengthening your fast twitch muscles and providing you a base to build your game.
Build up for explosiveness with supporting medicine ball drills.
Do the shown workouts with the following repetitions based on your level.
– Beginner: 8 to 12 reps
– Amateur: 12 to 15 reps
– ITF Junior: 18 to 20 reps
Bonus: Have someone catch the medicine ball. Then, add live tennis drills to really work on your explosiveness.