Head to Head
| World Tour Finals Women | 2019/12/12 05:00 | Ratchanok Intanon v Tzu Ying Tai | W | 1-2 |
| Korean Open Women | 2019/09/28 06:00 | Ratchanok Intanon v Tzu Ying Tai | L | 2-0 |
| Indonesia Open Women | 2019/07/19 05:00 | Tzu Ying Tai v Ratchanok Intanon | W | 2-1 |
| Malaysia Open Women | 2019/04/05 07:00 | Tzu Ying Tai v Ratchanok Intanon | W | 2-0 |
| Indonesia Masters XD | 2019/01/18 07:40 | Tzu Ying Tai v Ratchanok Intanon | L | 0-2 |
| Indonesia Masters XD | 2018/05/23 12:00 | Ratchanok Intanon v Tzu Ying Tai | W | 1-2 |
| Indonesia Masters XD | 2018/01/21 05:30 | Tzu Ying Tai v Ratchanok Intanon | L | 1-2 |
| All England Open | 2017/12/14 09:00 | Tzu Ying Tai v Ratchanok Intanon | L | 0-2 |
Home History
| Thailand Open Women | 2021/01/22 06:00 | Tzu Ying Tai v Michelle Li | W | 2-1 |
| Thailand Open Women | 2021/01/21 04:30 | Tzu Ying Tai v Gregoria Mariska Tunjung | W | 2-0 |
| Thailand Open Women | 2021/01/19 02:20 | Tzu Ying Tai v Supanida Katethong | W | 2-0 |
| Thailand Open Women | 2021/01/17 06:00 | Tzu Ying Tai v Carolina Marin | L | 0-2 |
| Thailand Open Women | 2021/01/16 07:30 | Tzu Ying Tai v Mia Blichfeldt | W | 2-0 |
| Thailand Open Women | 2021/01/15 06:00 | Tzu Ying Tai v Michelle Li | W | 2-0 |
| Thailand Open Women | 2021/01/14 03:00 | Tzu Ying Tai v Ga Eun Kim | W | 2-0 |
| Thailand Open Women | 2021/01/12 03:20 | Tzu Ying Tai v Benyapa Aimsaard | W | 2-0 |
Away History
| Thailand Open Women | 2021/01/22 06:20 | Ratchanok Intanon v Pusarla V. Sindhu | W | 2-0 |
| Thailand Open Women | 2021/01/21 07:30 | Ratchanok Intanon v Ji Hyun Sung | W | 2-1 |
| Thailand Open Women | 2021/01/19 05:10 | Ratchanok Intanon v Saina Nehwal | W | 2-0 |
| Thailand Open Women | 2021/01/15 06:20 | Se Young An v Ratchanok Intanon | L | 2-0 |
| Thailand Open Women | 2021/01/14 05:40 | Yvonne Li v Ratchanok Intanon | W | 0-2 |
| Thailand Open Women | 2021/01/13 07:30 | Jia Min Yeo v Ratchanok Intanon | W | 0-2 |
| All England Open Women | 2020/03/13 10:30 | Yufei Chen v Ratchanok Intanon | L | 2-1 |
| All England Open Women | 2020/03/12 12:00 | Ratchanok Intanon v Aya Ohori | W | 2-0 |