Tennis

I enjoy playing tennis onece a week at the indoor club. but I'm poor at tennis.
I wanna level up to become more powerful. It's break-through.


court
a grass-covered tennis court
hard court(全米・全豪）
grass court / lawn court（全英）
en-tout-cas court / all weather court(全仏）
omni court
clay court


the Grand Slam（全英・全米・全仏・全豪）


Kei Nishikori
He have finally managed to break through Novak Djokovic.