Furudate Haruichi is a manga(a Japanese comic) artist best known for Haikyuu!!
The following excerpt is taken from Haikyuu!! manga(translated from Japanese to English):
Scene: Main protagonist(X) is a player and is trying to help improve his opponent’s skill while practising with him to make him a better player and cheer him up.
Opponent: I really appreciate your advice a lot…..but what do you possibly have to gain from cheering me on?
X: It’s quite simple really. I want to beat you at your best.