(D)：Difending Champion
| Date | Championships | Course | Venue | |
| 6/11 | 61st 2019 Japan Women’s Amateur Golf Championship Qualifying Site:EAST | Athletic Garden Golf Club | IBARAKI | |
| 6/11 | 61st 2019 Japan Women’s Amateur Golf Championship Qualifying Site:WEST | The Queen’s Hill Golf Club | FUKUOKA | |
| 7/2 | 104th 2019 Japan Amateur Golf Championship Qualifying Site:EAST | Ohtone Country Club | IBARAKI | |
| 7/2 | 104th 2019 Japan Amateur Golf Championship Qualifying Site:WEST | Kurashiki Country Club | OKAYAMA | |
| 3/8 |  |
84th 2019 Japan Open Golf Championship Dream Stage 1G | Ibaraki Country Club West Course | OSAKA |
| 3/11 |  |
84th 2019 Japan Open Golf Championship Dream Stage 1E | Hodogaya Country Club | KANAGAWA |
| 3/26 | |
84th 2019 Japan Open Golf Championship Dream Stage 1F | Nagoya Golf Club | AICHI |
| 4/1 |  |
84th 2019 Japan Open Golf Championship Dream Stage 1D | Musashi Country Club Sasai Course | SAITAMA |
| 4/1 |  |
84th 2019 Japan Open Golf Championship Dream Stage 1H | Keya Golf Club | FUKUOKA |
| 4/17 |  |
84th 2019 Japan Open Golf Championship Dream Stage 1A | Sendai Country Club | MIYAGI |
| 5/20 |  |
84th 2019 Japan Open Golf Championship Dream Stage 1B | Ryugasaki Country Club | IBARAKI |
| 5/27 |  |
84th 2019 Japan Open Golf Championship Dream Stage 1C | Abiko Golf Club | CHIBA |
| 7/16 |  |
84th 2019 Japan Open Golf Championship Local Qualifying 2B | Caledonian Golf Club | CHIBA |
| 7/16 |  |
84th 2019 Japan Open Golf Championship Local Qualifying 2D | Aichi Country Club | AICHI |
| 7/19 |  |
84th 2019 Japan Open Golf Championship Local Qualifying 2C | Hamano Golf Club | CHIBA |
| 7/22 |  |
84th 2019 Japan Open Golf Championship Local Qualifying 2F | Higashihirono Golf Club | HYOGO |
| 7/23 |  |
84th 2019 Japan Open Golf Championship Local Qualifying 2A | The Royal Golf Club | IBARAKI |
| 7/31 |  |
84th 2019 Japan Open Golf Championship Local Qualifying 2E | Hino Golf Club King Course | SHIGA |
| 9/9 – 9/10 |  |
84th 2019 Japan Open Golf Championship Final Qualifying 3A | Murasaki Country Club Sumire Course | CHIBA |
| 9/9 – 9/10 |  |
84th 2019 Japan Open Golf Championship Final Qualifying 3B | Onotoyo Golf Club | HYOGO |
| 3/8 |  |
52nd 2019 Japan Women’s Open Golf Championship Dream Stage Competition 1C | Ibaraki Country Club West Course | OSAKA |
| 3/26 |  |
52nd 2019 Japan Women’s Open Golf Championship Dream Stage Competition 1B | Nagoya Golf Club | AICHI |
| 4/1 |  |
52nd 2019 Japan Women’s Open Golf Championship Dream Stage Competition 1A | Musashi Country Club Sasai Course | SAITAMA |
| 7/1 |  |
52nd 2019 Japan Women’s Open Golf Championship Local Qualifying 2A | Toshoen Golf Club | TOCHIGI |
| 7/8 |  |
52nd 2019 Japan Women’s Open Golf Championship Local Qualifying 2C | Miki Golf Club East/South Course | HYOGO |
| 7/16 |  |
52nd 2019 Japan Women’s Open Golf Championship Local Qualifying 2D | Hiroshima Country Club Saijo Course | HIROSHIMA |
| 7/22 |  |
52nd 2019 Japan Women’s Open Golf Championship Local Qualifying 2B | Sayama Golf Club East/West Course | SAITAMA |
| 9/2 – 9/3 |  |
52nd 2019 Japan Women’s Open Golf Championship Final Qualifying | Chiba Country Club Umesato Course | CHIBA |
| 3/8 |  |
29th 2019 Japan Senior Open Golf Championship Dream Stage 1F | Ibaraki Country Club | OSAKA |
| 3/11 |  |
29th 2019 Japan Senior Open Golf Championship Dream Stage 1D | Hodogaya Country Club | KANAGAWA |
| 3/26 |  |
29th 2019 Japan Senior Open Golf Championship Dream Stage 1E | Nagoya Golf Club | AICHI |
| 4/1 |  |
29th 2019 Japan Senior Open Golf Championship Dream Stage 1C | Musashi Country Club Sasai Course | SAITAMA |
| 5/20 |  |
29th 2019 Japan Senior Open Golf Championship Dream Stage 1A | Ryugasaki Country Club | IBARAKI |
| 5/27 |  |
29th 2019 Japan Senior Open Golf Championship Dream Stage 1B | Abiko Golf Club | CHIBA |
| 7/1 |  |
29th 2019 Japan Senior Open Golf Championship Local Qualifying 2D | Ono Golf Club | HYOGO |
| 7/3 |  |
29th 2019 Japan Senior Open Golf Championship Local Qualifying 2C | Higashi Nagoya Country Club West Course | AICHI |
| 7/18 |  |
29th 2019 Japan Senior Open Golf Championship Local Qualifying 2A | Ibaraki Golf Club West Course | IBARAKI |
| 7/22 |  |
29th 2019 Japan Senior Open Golf Championship Local Qualifying 2B | Hirakawa Country Club | CHIBA |
| 8/26 |  |
29th 2019 Japan Senior Open Golf Championship Final Qualifying | Funabashi Country Club | CHIBA |
| Date | Championships | Course | Venue | |
| 4/22 | 74th 2019 U.S. Women’s Open Championship Sectional Qualifying | Ohtone Country Club | IBARAKI | |
| 5/27 | 119th 2019 U.S. Open Championship Sectional Qualifying | Kuwana Country Club | MIE | |