Head to Head
| WTT Contender Rio | 2023/08/10 22:05 | Kristian Karlsson v Vitor Ishiy | W | 2-3 |
| WTT Singapore Smash | 2022/03/11 11:10 | Vitor Ishiy v Kristian Karlsson | L | 2-3 |
Home History
| WTT Feeder Gaia | 2023/11/23 14:40 | Kwan To Yiu v Vitor Ishiy | W | 1-3 |
| Pan American Games | 2023/10/31 13:50 | Vitor Ishiy v Nicolas Burgos | L | 1-4 |
| WTT Contender Muscat Quals | 2023/10/09 13:10 | Chien-An Chen v Vitor Ishiy | L | 3-0 |
| ITTF Pan American Championships | 2023/09/12 23:00 | Nicolas Burgos v Vitor Ishiy | L | 3-2 |
| ITTF Pan American Championships | 2023/09/12 15:30 | Oscar Birriel v Vitor Ishiy | W | 2-3 |
| WTT Contender Rio | 2023/08/11 21:00 | Vitor Ishiy v Dang Qiu | L | 0-3 |
| WTT Contender Rio | 2023/08/10 22:05 | Kristian Karlsson v Vitor Ishiy | W | 2-3 |
| WTT Contender Lima | 2023/08/03 23:25 | Marcos Freitas v Vitor Ishiy | L | 3-1 |
Away History
| WTT Feeder Gaia | 2023/11/23 13:40 | Olajide Omotayo v Kristian Karlsson | W | 1-3 |
| WTT Contender Antalya | 2023/10/19 11:40 | Chih Yuan Chuang v Kristian Karlsson | L | 3-1 |
| WTT Contender Muscat | 2023/10/12 10:20 | Kristian Karlsson v Anton Kallberg | L | 2-3 |
| WTT Feeder Stockholm | 2023/10/05 11:55 | Kristian Karlsson v Bastian Rembert | L | 0-3 |
| WTT Feeder Stockholm | 2023/10/04 16:55 | Kristian Karlsson v Gyeongtae Park | W | 3-0 |
| European Team Championships | 2023/09/17 16:10 | Kristian Karlsson v Kay Stumper | W | 3-2 |
| European Team Championships | 2023/09/15 19:45 | Kristian Karlsson v Bence Majoros | W | 3-2 |
| European Team Championships | 2023/09/15 17:20 | Kristian Karlsson v Adam Szudi | L | 2-3 |