Head to Head
| WTT Contender Doha | 2021/03/04 12:35 | Mattias Falck v Kristian Karlsson | W | 3-0 |
| Korea Open | 2019/07/05 03:35 | Mattias Falck v Kristian Karlsson | L | 2-4 |
| Qatar Open Women | 2018/12/07 18:52 | Kristian Karlsson v Mattias Falck | W | 1-3 |
| Swedish Open | 2018/11/03 10:40 | Kristian Karlsson v Mattias Falck | W | 2-4 |
| Qatar Open Women | 2018/10/10 17:17 | Mattias Falck v Kristian Karlsson | L | 2-3 |
Home History
| 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 |
| WTT Feeder Fremont | 2022/05/06 18:00 | Dianren Wei v Mattias Falck | W | 1-4 |
| WTT Star Contender Doha | 2022/03/28 09:35 | Sathiyan Gnanasekaran v Mattias Falck | L | 3-2 |
| WTT Contender Doha | 2022/03/21 15:20 | Jonathan Groth v Mattias Falck | L | 3-1 |
| WTT Contender Doha | 2022/03/20 10:40 | Mattias Falck v Lubomir Pistej | W | 3-1 |
| WTT Contender Doha | 2022/03/19 16:10 | Mattias Falck v Cheng-Ting Liao | W | 3-0 |
| WTT Contender Doha | 2022/03/19 08:10 | Mattias Falck v Pak Nam Ng | W | 3-0 |
Away History
| 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 |
| WTT Singapore Smash | 2022/03/17 07:20 | Jingkun Liang v Kristian Karlsson | L | 3-0 |
| WTT Singapore Smash | 2022/03/16 06:10 | Benedikt Duda v Kristian Karlsson | W | 1-3 |
| WTT Singapore Smash | 2022/03/13 06:50 | Kristian Karlsson v Joao Geraldo | W | 3-1 |
| WTT Singapore Smash | 2022/03/11 11:10 | Vitor Ishiy v Kristian Karlsson | W | 2-3 |