Head to Head
| China Championship - Kval 2019 | 2019/02/20 10:00 | David Gilbert v Sean O'Sullivan | 6-2 |
Home History
| Championship League Snooker | 2023/07/13 11:00 | David Gilbert v Ishpreet Chadha | 2-2 |
| VM 2023 | 2023/04/16 09:00 | Stuart Bingham v David Gilbert | 10-4 |
| VM - Kval 2023 | 2023/04/12 10:00 | Matthew Stevens v David Gilbert | 7-10 |
| VM - Kval 2023 | 2023/04/10 13:30 | David Gilbert v Barry Pinches | 10-3 |
| WST Classic 2023 | 2023/03/21 15:50 | David Gilbert v Robbie Williams | 2-4 |
| WST Classic 2023 | 2023/03/20 16:50 | Jak Jones v David Gilbert | 2-4 |
| WST Classic 2023 | 2023/03/18 19:40 | David Gilbert v Ian Martin | 4-0 |
| Welsh Open 2023 | 2023/02/15 19:05 | David Gilbert v Ben Mertens | 3-4 |
Away History
| Championship League Snooker | 2023/07/13 12:55 | Yuan Sijun v Sean O'Sullivan | 3-0 |
| VM - Kval 2023 | 2023/04/07 09:00 | David Grace v Sean O'Sullivan | 10-8 |
| VM - Kval 2023 | 2023/04/04 09:00 | Sean O'Sullivan v Liam Graham | 10-9 |
| WST Classic 2023 | 2023/03/17 14:00 | Mark Williams v Sean O'Sullivan | 4-3 |
| Welsh Open - Kval 2023 | 2023/02/13 19:00 | Luca Brecel v Sean O'Sullivan | 4-1 |
| Snooker Shoot-Out 2023 | 2023/01/25 20:25 | Sean O'Sullivan v Dean Young | 0-1 |
| Six Red World Quals 2023 | 2023/01/08 19:00 | Jimmy Robertson v Sean O'Sullivan | 5-2 |
| English Open - Kval 2022 | 2022/12/12 15:45 | Jack Lisowski v Sean O'Sullivan | 4-2 |