Regular tennis lessons introduce a new challenge: preparing for the next ball and recovering into a ready position. The Yonex JUNIOR 23 Ocean Blue is built around that stage of learning. Its 23-inch length suits children approximately 110-125 cm tall, with an age guide of 6-8 years. At a nominal 200 g, the aluminium frame remains an accessible learning tool rather than a demanding junior competition racquet.


From meeting the ball to managing a rally


The 98-square-inch head creates an encouraging area for practising forehands, backhands and simple exchanges. ISOMETRIC geometry is designed to enlarge the useful contact zone compared with a conventional round head, particularly welcome when children are still adjusting their distance from the ball. The frame also carries playful visual reminders that may help beginners recall a ready position during lessons. These are practical teaching cues, not technologies that guarantee technical progress.


Ocean Blue changes the look, not the construction or feel, compared with Coral Orange. Moving up from a shorter racquet makes sense when the child can prepare and finish the stroke without strain or awkward compensation. A larger size is not automatically a better size if it interferes with comfortable movement.

Technologies

ISOMETRIC

Yonex ISOMETRIC uses a more squared-off head geometry that optimizes main and cross string intersections. Yonex reports an approximately 7% larger sweet spot than a comparable conventional round head, supporting a more forgiving response when contact is off centre.

Visual Learning Tools

Playful visual cues on the racquet help beginners remember simple tennis rules and movements. Icons on the shaft offer prompts during learning, while a character on the outer frame helps children recognize the ready position. This is an educational design feature, not a frame material or performance measurement.

Beam Width (mm)
20
Generation
2025
Head Size (cm²)
632
Head Size (in²)
98
Length (in)
23
Length (mm)
584
Level of Play
Beginner
Recommended Height (cm)
110-125
Recommended Tension (kg)
14-18
Recommended Tension (lb)
30-40
Stringing
Strung
Unstrung Balance (mm)
275
Unstrung Weight (g)
200
Sport
Tennis
Product Type
Tennis racquet
Series
JUNIOR
Colour
Blue
Composition
Aluminium
String Pattern
16/17
Recommended Age
6-8

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Yonex JUNIOR 23 Ocean Blue Tennis Racquet
€39.90