| Campionato del Mondo - Qual. 2021 | 2021/04/09 18:30 | Pang Junxu v Si Jiahui | 6-4 |
| Campionato del Mondo - Qual. 2021 | 2021/04/06 08:30 | Si Jiahui v Hamim Hussain | 6-1 |
| Open di Gibilterra 2021 | 2021/03/04 14:00 | Ricky Walden v Si Jiahui | 4-3 |
| Open di Gibilterra 2021 | 2021/03/01 14:00 | Ding Junhui v Si Jiahui | 2-4 |
| Open del Galles 2021 | 2021/02/17 19:00 | Judd Trump v Si Jiahui | 4-2 |
| Open del Galles 2021 | 2021/02/15 20:45 | Si Jiahui v Brandon Sargeant | 4-2 |
| WST Pro Series 2021 | 2021/01/22 20:00 | Dominic Dale v Si Jiahui | 2-1 |
| WST Pro Series 2021 | 2021/01/22 18:30 | Andy Hicks v Si Jiahui | 2-1 |