| Malta Int. | 04/05 10:20 | - | Dalvi, Nadeem v Charlie Castle | L | 2-0 | |
| Malta Int. Qual | 04/04 15:20 | - | Charlie Castle v Felix Wright | - | Retired | |
| Malta Int. Qual | 04/04 11:15 | - | Charlie Castle v Justin Seibel | W | 2-1 | |
| Iceland International 2020, MS, Qualification | 01/25 09:00 | 6 | Martin Harbo v Charlie Castle | L | 2-1 | |
| Bonn Int. Qual | 05/31 17:30 | - | Charlie Castle v Alexander Pedersen | L | 0-2 | |
| Bonn Int. Qual | 05/31 11:05 | - | Charlie Castle v Mihir Palande | W | 2-1 | |
| Dutch Int. Qual | 04/13 11:10 | - | Charlie Castle v 코헤넨, 주나스 | L | 0-2 | |
| Portugal Int. Qual | 03/08 17:40 | - | Bai, Aaron v Charlie Castle | L | 2-0 | |
| Welsh Int. Qual | 11/30 12:00 | - | Charlie Castle v Amaury Lievre | L | 0-2 | |
| Welsh Int. Qual | 11/29 12:50 | - | Joseph Waugh v Charlie Castle | W | 0-2 | |
| Irish Open Qual | 11/16 13:05 | - | Charlie Castle v Koshiro Moriguchi | L | 0-2 | |
| Irish Open Qual | 11/16 10:10 | - | Sean Laureta v Charlie Castle | W | 0-2 |