Head to Head
| German Masters Qualifiers 2024 | 2023/12/18 14:30 | Mark Williams v David Grace | 5-3 |
| Gibraltar Open 2020 | 2020/03/15 12:10 | David Grace v Mark Williams | 1-4 |
| Gibraltar Open 2019 | 2017/10/17 18:00 | David Grace v Mark Williams | 1-4 |
| Gibraltar Open 2019 | 2016/11/15 15:25 | Mark Williams v David Grace | 4-2 |
Home History
| Welsh Open 2024 | 2024/02/14 19:00 | Anthony McGill v Mark Williams | 4-1 |
| Welsh Open 2024 | 2024/02/13 12:30 | Sanderson Lam v Mark Williams | 3-4 |
| Welsh Open Qualifiers 2024 | 2024/02/12 14:25 | Mark Williams v John J Astley | 4-2 |
| German Masters 2024 | 2024/01/30 14:00 | He Guoqiang v Mark Williams | 5-1 |
| World Grand Prix 2024 | 2024/01/18 19:00 | Cao Yupeng v Mark Williams | 5-4 |
| World Grand Prix 2024 | 2024/01/17 21:25 | Hossein Vafaei v Mark Williams | 1-4 |
| World Grand Prix 2024 | 2024/01/16 19:00 | Mark Williams v Thepchaiya Un-Nooh | 4-3 |
| The Masters 2024 | 2024/01/08 19:00 | Mark Williams v Ali Carter | 4-6 |
Away History
| World Open Qualifiers 2024 | 2024/01/22 14:30 | David Grace v Rebecca Kenna | 5-2 |
| German Masters Qualifiers 2024 | 2023/12/18 14:30 | Mark Williams v David Grace | 5-3 |
| Scottish Open Qualifiers 2023 | 2023/12/11 10:00 | Ding Junhui v David Grace | 4-0 |
| Snooker Shoot-Out 2023 | 2023/12/07 20:30 | Dean Young v David Grace | 1-0 |
| UK Championship Qualifiers 2023 | 2023/11/20 19:30 | Wu Yize v David Grace | 6-2 |
| UK Championship Qualifiers 2023 | 2023/11/19 14:30 | David Grace v Ryan Davies | 6-5 |
| International Championship 2023 | 2023/11/05 11:30 | David Grace v John Higgins | 1-6 |
| Northern Ireland Open Qualifier 2023 | 2023/10/19 09:00 | David Grace v Xing Zihao | 0-4 |