Ep. 15: Hikaru discovers online Go to entertain Sai and defeat top amateurs
Aired on January 23, 2002

Hikaru experiences guilt for disregarding Sai’s instructions during the previous Go match. To address this, he finds a new method to entertain Sai by learning that Go can be played via the Internet. Hikaru permits Sai to compete against opponents globally through this online platform. This arrangement allows Sai to challenge and defeat top amateur players, providing a fresh way for them to engage with the game and resolve Hikaru's prior remorse regarding their last encounter.
Episodes
- Ep. 11 · Yuki cheats at Go and loses ten thousand yen to Dake before Hikaru challenges him.
- Ep. 12 · Yuki joins the club while Akira seeks a specific tournament position against Hikaru.
- Ep. 13 · Hikaru confronts Akira's strategic choice to secure the third spot for a match against Sai.
- Ep. 14 · Sai faces Akira while Hikaru questions his own progress during the match.
- Ep. 15 · Hikaru discovers online Go to entertain Sai and defeat top amateurs
- Ep. 16 · Internet fame follows Sai after defeating top players like Yoshitaka Waya
- Ep. 17 · Tournament players investigate Sai's identity while Akira recalls past matches with Hikaru.
- Ep. 18 · Akira skips Go exam to play internet game against Sai
- Ep. 19 · Hikaru Persuades His Grandfather to Buy a Go Board for Practice