Face à face
| China Championship Qualifiers 2019 | 2018/08/06 06:30 | Mark Williams v Lukas Kleckers | 5-4 |
Home History
| UK Championship 2020 | 2020/12/01 19:00 | Mark Williams v Ricky Walden | 5-6 |
| UK Championship 2020 | 2020/11/29 19:00 | Mark Williams v Songsermsawad, Akani | 6-2 |
| UK Championship 2020 | 2020/11/23 09:00 | Mark Williams v Hancorn, Ben | 6-0 |
| Northern Ireland Open 2020 | 2020/11/18 16:30 | Mark Williams v Dominic Dale | 2-4 |
| Northern Ireland Open 2020 | 2020/11/16 13:00 | Mark Williams v Jamie Jones | 4-2 |
| German Masters Qualifiers 2021 | 2020/11/10 14:30 | Mark Williams v Davison, Paul S | 4-5 |
| European Masters 2020 | 2020/09/24 09:00 | Mark Williams v Devlin, Peter | 4-5 |
| European Masters 2020 | 2020/09/21 09:00 | Mark Williams v Ashley Hugill | 5-0 |
Away History
| UK Championship 2020 | 2020/11/24 09:00 | Thepchaiya Un-Nooh v Lukas Kleckers | 6-2 |
| Northern Ireland Open 2020 | 2020/11/19 13:00 | Xintong, Zhao v Lukas Kleckers | 4-0 |
| Northern Ireland Open 2020 | 2020/11/18 19:00 | Lukas Kleckers v Mark Selby | 4-0 |
| Northern Ireland Open 2020 | 2020/11/17 10:00 | Lukas Kleckers v Bingyu, Chang | 4-1 |
| German Masters Qualifiers 2021 | 2020/11/12 10:00 | Zhou Yuelong v Lukas Kleckers | 5-0 |
| English Open 2020 | 2020/10/12 09:00 | Lukas Kleckers v Hossein Vafaei | 0-4 |
| Championnat de la ligue de Snooker | 2020/09/28 17:40 | Parsons, Riley v Lukas Kleckers | 2-2 |
| Championnat de la ligue de Snooker | 2020/09/28 15:00 | Alexander Ursenbacher v Lukas Kleckers | 3-0 |