Group 1 of the 71st Inter High School Mahjong Championships includes the first seeded Shiraitodai High School and 12 schools that drew the 2–13 spots in the tournament.
First tournament round -- day 1[]
Winners of each first round match meet Shiraitodai, which has a bye in the first round.
Match 1A[]
Draw | Team | Points |
---|---|---|
4 | Shindouji Girls' High School | Unknown |
2 | Kasubuchi High School | Unknown |
3 | Oriwatari Second High School | Unknown |
5 | Horigome Girls' High School | Unknown |
Match 1B[]
Draw | Team | Points |
---|---|---|
6 | Kariyasuka High School | Unknown |
7 | Kuragano High School | Unknown |
8 | Kounoura High School | Unknown |
9 | Moema High School | Unknown |
Match 1C[]
Draw | Team | Points |
---|---|---|
13 | Kayama Academy | Unknown |
10 | Kankaiji High School | Unknown |
11 | West Kobari High School | Unknown |
12 | Orono High School | Unknown |
Second tournament round -- day 5[]
Two winners of the second round match of Group 1 meet the two winners of Group 2 in one of two semi-final matches.

The Captains' round of the quarterfinal match.
Draw | Team | Points |
---|---|---|
1 | Shiraitodai High School | Unknown |
4 | Shindouji Girls' High School | Unknown |
6 | Kariyasuka High School | Unknown |
13 | Kayama Academy | Unknown |