| Croatian Int. | 2023/09/29 09:20 | Yohan Barbieri v Kevin Barkman | L | 2-0 |
| Canada Open Qual | 2023/07/04 15:00 | Kevin Barkman v Lai Yin Chung | L | 0-2 |
| Denmark Masters Qual | 2023/06/08 08:00 | Kevin Barkman v Magnus Klinggaard | L | 0-2 |
| Bonn Int. Qual | 2023/05/31 14:20 | Arthur Wakhevitsch v Kevin Barkman | L | 2-0 |
| Bonn Int. Qual | 2023/05/31 07:35 | Michael Tomic v Kevin Barkman | W | 0-2 |
| Austrian Open Qual | 2023/05/25 08:45 | Kevin Barkman v Yanis Gaudin | L | 0-2 |
| Luxembourg Open Qual | 2023/05/04 09:55 | Kevin Barkman v Ernesto Baschwitz | L | 0-2 |
| Iceland Int. | 2023/01/28 11:55 | Kevin Barkman v Karan Rajan Rajarajan | L | 0-2 |
| Latvia Int. Qual | 2023/08/31 06:40 | Luca Wiechmann v Harry Jones | L | 2-1 |
| Latvia Int. Qual | 2023/08/30 12:40 | Finlay Jack v Harry Jones | W | 0-2 |