Head to Head
| Qatar Open Women | 2018/05/26 12:20 | Joao Geraldo v Kristian Karlsson | W | 2-3 |
| Qatar Open Women | 2018/01/14 14:40 | Kristian Karlsson v Joao Geraldo | W | 3-1 |
| Qatar Open XD | 2017/08/24 16:30 | Joao Geraldo v Kristian Karlsson | W | 0-4 |
Home History
| WTT Singapore Smash | 2022/03/11 11:10 | Vitor Ishiy v Kristian Karlsson | W | 2-3 |
| Europe Top 16 Cup | 2022/02/26 18:20 | Kristian Karlsson v Truls Moregard | L | 3-4 |
| Europe Top 16 Cup | 2022/02/26 10:25 | Kristian Karlsson v Kirill Skachkov | W | 4-0 |
| Champions League | 2022/01/23 15:20 | Kristian Karlsson v Jakub Dyjas | L | 2-3 |
| Champions League | 2022/01/12 17:35 | Patryk Lewandowski v Kristian Karlsson | W | 0-3 |
| World Championship | 2021/11/27 03:50 | Quadri Aruna v Kristian Karlsson | L | 4-3 |
| World Championship | 2021/11/26 02:00 | Kristian Karlsson v Alexandre Cassin | W | 4-2 |
| World Championship | 2021/11/25 02:00 | Kristian Karlsson v Marek Badowski | W | 4-2 |
Away History
| WTT Singapore Smash | 2022/03/11 11:50 | Joao Geraldo v Hugo Calderano | W | 3-2 |
| WTT Singapore Smash | 2022/03/09 09:35 | Amir Hossein Hodaei v Joao Geraldo | W | 0-3 |
| WTT Singapore Smash | 2022/03/08 12:30 | Marcos Madrid v Joao Geraldo | W | 2-3 |
| WTT Contender Muscat | 2022/03/03 15:50 | Shidong Lin v Joao Geraldo | L | 3-0 |
| WTT Contender Muscat | 2022/03/03 06:00 | Joao Geraldo v Tiago Apolonia | W | 3-0 |
| France League Pro A | 2022/02/16 20:19 | Alexis Lebrun v Joao Geraldo | L | 3-1 |
| France League Pro A | 2022/02/16 19:04 | Amin Ahmadian v Joao Geraldo | W | 0-3 |
| WTT Feeder Dusseldorf | 2022/01/13 13:00 | Joao Geraldo v Cedric Meissner | L | 1-4 |