Head to Head
| UK Championship | 2017/12/02 13:00 | Ryan Day v Thepchaiya Un-Nooh | 6-3 |
| Welsh Open | 2017/02/15 09:35 | Thepchaiya Un-Nooh v Ryan Day | 4-1 |
Home History
| China Open | 2018/01/29 09:30 | Ryan Day v Lyu Haotian | 3-6 |
| The Masters | 2018/01/19 19:00 | John Higgins v Ryan Day | 6-1 |
| The Masters | 2018/01/15 13:05 | Ding Junhui v Ryan Day | 4-6 |
| Championship League Snooker | 2018/01/09 15:00 | Ali Carter v Ryan Day | 3-2 |
| Championship League Snooker | 2018/01/09 13:55 | Tom Ford v Ryan Day | 3-1 |
| Championship League Snooker | 2018/01/09 11:00 | Mark Allen v Ryan Day | 3-0 |
| Championship League Snooker | 2018/01/08 18:55 | Ryan Day v Kyren Wilson | 2-3 |
| Championship League Snooker | 2018/01/08 15:55 | Anthony Hamilton v Ryan Day | 3-1 |
Away History
| China Open | 2018/01/28 14:30 | Thepchaiya Un-Nooh v Ian Burns | 6-4 |
| German Masters 2018 | 2017/12/22 14:30 | Mark King v Thepchaiya Un-Nooh | 4-5 |
| German Masters 2018 | 2017/12/21 10:00 | Martin O'Donnell v Thepchaiya Un-Nooh | 3-5 |
| Gibraltar Open 2019 | 2017/12/11 19:00 | Thepchaiya Un-Nooh v Jamie Curtis-Barrett | 3-4 |
| UK Championship | 2017/12/02 13:00 | Ryan Day v Thepchaiya Un-Nooh | 6-3 |
| UK Championship | 2017/11/28 14:30 | Thepchaiya Un-Nooh v Elliot Slessor | 6-5 |
| Northern Ireland Open | 2017/11/23 10:00 | Lyu Haotian v Thepchaiya Un-Nooh | 4-2 |
| Northern Ireland Open | 2017/11/22 09:40 | Thepchaiya Un-Nooh v Chen Zifan | 4-3 |