Head to Head
| Championship League Snooker | 2017/02/22 15:20 | Mark Williams v Ryan Day | 3-2 |
| Championship League Snooker | 2017/02/20 17:50 | Mark Williams v Ryan Day | 2-3 |
| Championship League Snooker | 2017/01/11 13:55 | Mark Williams v Ryan Day | 3-1 |
| Gibraltar Open 2019 | 2017/01/09 19:55 | Ryan Day v Mark Williams | 2-3 |
| Gibraltar Open 2019 | 2017/01/05 10:50 | Mark Williams v Ryan Day | 1-3 |
| World Grand Prix | 2015/03/17 18:50 | Mark Williams v Ryan Day | 4-3 |
Home History
| Riga Masters 2017 | 2017/06/01 18:00 | David John v Ryan Day | 1-4 |
| Gibraltar Open 2019 | 2017/04/19 09:00 | Ryan Day v Xiao Guodong | 4-10 |
| Players Championship | 2017/03/07 13:00 | Mark Selby v Ryan Day | 5-4 |
| Gibraltar Open 2019 | 2017/03/05 14:55 | Judd Trump v Ryan Day | 4-2 |
| Gibraltar Open 2019 | 2017/03/05 11:45 | Ryan Day v Neil Robertson | 4-2 |
| Gibraltar Open 2019 | 2017/03/05 08:50 | Ryan Day v John J Astley | 4-2 |
| Gibraltar Open 2019 | 2017/03/03 19:35 | Luca Brecel v Ryan Day | 3-4 |
| Gibraltar Open 2019 | 2017/03/03 17:25 | Michael Holt v Ryan Day | 2-4 |
Away History
| China Championship Qualifiers 2019 | 2017/06/03 13:30 | Mark Williams v Jak Jones | 5-3 |
| World Championship | 2017/04/11 16:00 | Mark Williams v Stuart Carrington | 7-10 |
| World Championship | 2017/04/10 09:00 | Mark Williams v Liam Highfield | 10-9 |
| World Championship | 2017/04/08 09:00 | Mark Williams v Zhao Xintong | 10-7 |
| China Open | 2017/04/02 06:00 | Mark Williams v Mark Selby | 8-10 |
| China Open | 2017/04/01 06:00 | Hossein Vafaei v Mark Williams | 1-6 |
| China Open | 2017/03/31 06:00 | Shaun Murphy v Mark Williams | 1-5 |
| China Open | 2017/03/30 06:00 | Mark Williams v John Higgins | 5-4 |