Head to Head
| WTT Singapore Smash | 2022/03/13 06:50 | Kristian Karlsson v Joao Geraldo | L | 3-1 |
| Qatar Open Women | 2018/05/26 12:20 | Joao Geraldo v Kristian Karlsson | L | 2-3 |
| Qatar Open Women | 2018/01/14 14:40 | Kristian Karlsson v Joao Geraldo | L | 3-1 |
| Qatar Open XD | 2017/08/24 16:30 | Joao Geraldo v Kristian Karlsson | L | 0-4 |