Kato Keiko
Follow
198
Games
47%
Win rate
2
Titles
3–4
2026 Record
42.9%
Win Rate
7
Games
3L
Current Streak
As Black: 2/6 (33%)
As White: 1/1 (100%)
Best this year: 2W
Key rivalries
Mukai Chiaki
5–8
Chinen Kaori
5–7
Xie Yimin
4–7
Aoki Kikuyo
5–5
Umezawa Yukari
4–5
Kobayashi Izumi
4–5
Tournaments
Women's Honinbo #45
Out
3W–2L
5 games
2026-06-28
Round 3 · Main Draw Round 3 · Main Draw Round 2 · Main Draw Round 1 · Preliminary
SGW Cup Chuyo #9
Out
0W–1L
1 game
2026-09-03
Preliminary Round 1
Teikei Cup #5
Out
0W–1L
1 game
2026-02-05
Round 1
Key Opponents in 2026
| Opponent | Games | Record | Split |
|---|---|---|---|
| Mukai Chiaki 🇯🇵 | 2 | 0–2 | |
| Kuwamoto Shinpei 🇯🇵 | 1 | 0–1 | |
| Okuda Aya 🇯🇵 | 1 | 1–0 | |
| Nishiyama Shizuka 🇯🇵 | 1 | 1–0 | |
| Michael Redmond 🇺🇸 | 1 | 0–1 | |
| Nakajima Mieko 🇯🇵 | 1 | 1–0 |
Games
| Date | Opponent | Color | Result | Event | Round |
|---|---|---|---|---|---|
| 2026-09-03 | Kuwamoto Shinpei | B | W+R | SGW Cup Chuyo | Preliminary Round 1 |
| 2026-06-28 | Mukai Chiaki | B | W+R | Women's Honinbo | Round 3 |
| 2026-06-25 | Mukai Chiaki | B | W+R | Women's Honinbo | Main Draw Round 3 |
| 2026-05-28 | Okuda Aya | B | B+0.5 | Women's Honinbo | Main Draw Round 2 |
| 2026-04-20 | Nishiyama Shizuka | W | W+9.5 | Women's Honinbo | Main Draw Round 1 |
| 2026-02-05 | Michael Redmond | B | W+R | Teikei Cup | Round 1 |
| 2026-01-18 | Nakajima Mieko | B | B+R | Women's Honinbo | Preliminary |