I can give you a New Japanese style lesson.As tennis coach ,don't use force.head speed up.important balance and Control..
Junior.senior hope the technology improves.adult beginner.
About player
I am stringer too.I can complete it in one String.
and a musician.guitar and singing. I am playing solo. or together with local band.
My number one job is being an architect designer.
(^^βͺπΎπΈππ΄
Experience
More than 20 years
More than once a week
Yes I won any Doubles tournaments.Mie IGA open 2times East Osaka open.My partner JOP Number one Singles Toyohiko Yamamura.