Head to Head
| WTT Contender Doha | 2021/03/04 12:35 | Mattias Falck v Kristian Karlsson | W | 3-0 |
| Open della Corea del Sud | 2019/07/05 03:35 | Mattias Falck v Kristian Karlsson | L | 2-4 |
| Open del Qatar Femminili | 2018/12/07 18:52 | Kristian Karlsson v Mattias Falck | W | 1-3 |
| Open di Svezia | 2018/11/03 10:40 | Kristian Karlsson v Mattias Falck | W | 2-4 |
| Open del Qatar Femminili | 2018/10/10 17:17 | Mattias Falck v Kristian Karlsson | L | 2-3 |
Home History
| WTT Contender Tunisi | 2022/08/03 15:00 | Mattias Falck v Zihao Zhao | W | 3-0 |
| WTT Feeder Budapest | 2022/07/20 11:10 | Cedric Nuytinck v Mattias Falck | W | 0-4 |
| WTT Star Contender Budapest | 2022/07/14 09:20 | Mattias Falck v Truls Moregard | L | 2-3 |
| WTT Star Contender Budapest | 2022/07/13 16:10 | Mattias Falck v Tomislav Pucar | W | 3-2 |
| WTT Contender Lima | 2022/06/17 23:05 | Mattias Falck v Anton Kallberg | L | 2-3 |
| WTT Contender Lima | 2022/06/16 23:05 | Daniel Gonzalez v Mattias Falck | W | 2-3 |
| WTT Feeder Fremont | 2022/05/07 19:40 | Hiroto Shinozuka v Mattias Falck | L | 3-2 |
| WTT Feeder Fremont | 2022/05/06 22:05 | Elias Ranefur v Mattias Falck | W | 1-4 |
Away History
| WTT Contender Tunisi | 2022/08/03 15:30 | Joao Geraldo v Kristian Karlsson | W | 1-3 |
| WTT Champions Budapest | 2022/07/20 12:50 | Kristian Karlsson v Jingkun Liang | L | 0-3 |
| WTT Champions Budapest | 2022/07/19 08:35 | Chuqin Wang v Kristian Karlsson | W | 2-3 |
| WTT Star Contender Budapest | 2022/07/14 15:30 | Marcos Freitas v Kristian Karlsson | L | 3-0 |
| WTT Star Contender Doha | 2022/03/30 11:40 | Hugo Calderano v Kristian Karlsson | W | 1-3 |
| WTT Star Contender Doha | 2022/03/29 14:40 | Kristian Karlsson v Sathiyan Gnanasekaran | W | 3-1 |
| WTT Star Contender Doha | 2022/03/28 08:15 | Kristian Karlsson v Cheng-Ting Liao | W | 3-1 |
| WTT Contender Doha | 2022/03/21 13:10 | Jaehyun An v Kristian Karlsson | L | 3-2 |