Head to Head
| World Championship 2020 | 2020/08/02 13:30 | Ronnie O'Sullivan v Thepchaiya Un-Nooh | 10-1 |
Home History
| Northern Ireland Open 2020 | 2020/11/19 10:00 | Allan Taylor v Thepchaiya Un-Nooh | 0-4 |
| Northern Ireland Open 2020 | 2020/11/18 14:00 | Fergal O'Brien v Thepchaiya Un-Nooh | 1-4 |
| Northern Ireland Open 2020 | 2020/11/17 10:00 | Thepchaiya Un-Nooh v Peter Devlin | 4-2 |
| German Masters Qualifiers 2021 | 2020/11/12 14:30 | Thepchaiya Un-Nooh v Mark Joyce | 4-5 |
| Championship League Snooker | 2020/10/28 19:30 | Thepchaiya Un-Nooh v Xiao Guodong | 2-2 |
| Championship League Snooker | 2020/10/28 15:15 | Thepchaiya Un-Nooh v Jordan Brown | 3-1 |
| Championship League Snooker | 2020/10/28 13:55 | Thepchaiya Un-Nooh v Ken Doherty | 2-2 |
| English Open 2020 | 2020/10/14 13:00 | Ben Hancorn v Thepchaiya Un-Nooh | 4-2 |
Away History
| Northern Ireland Open 2020 | 2020/11/19 15:50 | Matthew Stevens v Ronnie O'Sullivan | 2-4 |
| Northern Ireland Open 2020 | 2020/11/18 14:20 | Elliot Slessor v Ronnie O'Sullivan | 1-4 |
| Northern Ireland Open 2020 | 2020/11/16 19:00 | Ronnie O'Sullivan v Jamie O'Neill | 4-1 |
| Champion of Champions 2020 | 2020/11/05 19:00 | Mark Allen v Ronnie O'Sullivan | 6-3 |
| Champion of Champions 2020 | 2020/11/05 13:00 | Ronnie O'Sullivan v Michael Holt | 4-1 |
| English Open 2020 | 2020/10/15 14:00 | Matthew Stevens v Ronnie O'Sullivan | 4-1 |
| English Open 2020 | 2020/10/14 18:00 | Ryan Day v Ronnie O'Sullivan | 1-4 |
| English Open 2020 | 2020/10/12 18:00 | Ronnie O'Sullivan v Brian Ochoiski | 4-2 |