Head to Head
| Riga Masters 2018 | 2018/07/28 12:00 | Zhang Yong v Mark Williams | 4-3 |
| Open de Gibraltar 2019 | 2017/03/04 15:55 | Mark Williams v Zhang Yong | 4-2 |
Home History
| Open de Gibraltar 2019 | 2018/09/27 11:30 | Zhao Xintong v Mark Williams | 5-3 |
| Open de Gibraltar 2019 | 2018/09/26 11:30 | Gary Wilson v Mark Williams | 2-5 |
| Open de Gibraltar 2019 | 2018/09/25 11:30 | Ken Doherty v Mark Williams | 0-5 |
| Campeonato de China - Clasificación 2019 | 2018/09/24 06:30 | Mark Williams v Rod Lawler | 5-0 |
| Open de Gibraltar 2019 | 2018/09/13 11:30 | Barry Hawkins v Mark Williams | 6-4 |
| Open de Gibraltar 2019 | 2018/09/12 06:00 | Mark Williams v Anthony McGill | 6-3 |
| Paul Hunter Classic 2019 | 2018/09/03 06:28 | Mark Williams v Thepchaiya Un-Nooh | 5-1 |
| Open de Gibraltar 2019 | 2018/08/12 06:00 | David Gilbert v Mark Williams | 9-10 |
Away History
| Open de Gibraltar 2019 | 2018/08/24 18:30 | Thepchaiya Un-Nooh v Zhang Yong | 4-2 |
| Open de Gibraltar 2019 | 2018/08/24 15:45 | Michael Georgiou v Zhang Yong | 3-4 |
| Open de Gibraltar 2019 | 2018/08/24 11:10 | Elliot Slessor v Zhang Yong | 3-4 |
| Campeonato de China - Clasificación 2019 | 2018/08/20 09:00 | Xiao Guodong v Zhang Yong | 5-1 |
| Indian Open 2018 | 2018/08/16 15:00 | Zhang Yong v Fan Zhengyi | 4-2 |
| Riga Masters 2018 | 2018/07/28 15:55 | Zhang Yong v Jack Lisowski | 1-4 |
| Riga Masters 2018 | 2018/07/28 12:00 | Zhang Yong v Mark Williams | 4-3 |
| Riga Masters 2018 | 2018/07/27 11:55 | Rory McLeod v Zhang Yong | 0-4 |