Tournament Record - Sean O'Sullivan In Welsh Open
| Played | Winner | Final | Semi-final | Quarter-final | Last 16 | Last 32 | Prize Money | Centuries |
|---|---|---|---|---|---|---|---|---|
| 8 | 0 | 0 | 0 | 4 | 10 | 24 | 2,500 | 1 |
| Tournament | Finish | Prize Money (GBP) |
|---|---|---|
 2024 Welsh Open |
Last 128 | 0 |
| 2023 Welsh Open |
Last 128 | 0 |
| 2019 Welsh Open |
Last 128 | 0 |
| 2018 Welsh Open |
Last 128 | 0 |
| 2017 Welsh Open |
Last 64 | 2,500 |
| 2016 Welsh Open |
Last 128 | 0 |
| 2014 Welsh Open |
Last 128 | 0 |
| 2013 Welsh Open |
Last 96 | 0 |