The Awful Opponent
Hikaru takes the prelims to qualify for the Pro exams whereas Waya/Isumi are admitted straight to the finals being among the top 8 of the Insei program. Hikaru is intimidated by Tsubaki, a really loud and brash guy, who turns out to be his first opponent. Tsubaki plays mind games with Hikaru and won the match. For Hikaru, the loss highlighted his inexperience with playing with adults since starting go and it represents a hurdle he has to overcome to reach his goal.
Aired 15/05/2002EP 31 - The Awful Opponent

Hikaru no Go
With a two-tone hairstyle and a streak of immaturity, Hikaru Shindou finds an old Go board with a hidden surprise - trapped within the Go Board is Fujiwara-no-Sai, the ghost of an ancient Go master! In the blink of an eye, Sai becomes part of Hikaru's consciousness and soon begins to learn the true essence behind this ancient game of skill and strategy.
(Source: VIZ Media)