Round: 44 Ground: Clay
| ITF Belgium F2 | 2018/06/27 14:30 | Simon Beaupain v Vandenbulcke, Yannick | 1-6,3-6 |
| ITF Belgium F1 Qual | 2018/06/18 11:45 | Simon Beaupain v Cloes, Loic | 3-6,4-6 |
| ITF Belgium F1 Qual | 2018/06/17 14:00 | Simon Beaupain v Romeo, Felix | 6-4,7-5 |
| ITF Tunisia F23 | 2018/06/09 08:00 | Simon Beaupain v Lawrence Bataljin | 1-6,3-6 |
| Czech Republic F2, Singles | 2018/05/24 08:30 | Santanna, B. v Simon Beaupain | 6-1,7-6 |
| ITF Czech Republic F2 Qual | 2018/05/21 08:00 | Vejvara, Lukas v Simon Beaupain | 4-6,4-6 |
| ITF Czech Republic F2 Qual | 2018/05/20 09:00 | Martin Krumich v Simon Beaupain | 3-6,4-6 |
| Challenger Braga Qual | 2018/05/06 10:00 | Simon Beaupain v Satral, Jan | 6-2,4-6,0-6 |
| ITF Germany F7 | 2017/07/11 13:20 | Benjamin Hassan v Diederich, Tom | 6-3,6-1 |
| ITF Germany F7 | 2017/07/10 10:30 | Diederich, Tom v Hoeveler, Leon | 5-7,6-2,6-0 |
| ITF Germany F7 | 2017/07/09 08:00 | Schwencke Lindqvist, Thomas v Diederich, Tom | 4-6,3-6 |
| ITF Germany F7 | 2017/07/09 08:00 | Beddow, Samuel v Diederich, Tom | 2-6,0-6 |
| ITF France F15 Qual | 2016/07/16 14:15 | Aranda, Juan v Diederich, Tom | 6-4,2-6,7-6 |
| Coupe Davis | 2016/03/06 08:00 | Vorster, Tucker v Diederich, Tom | 6-3,6-4 |
| ITF Portugal F1 | 2016/02/22 15:00 | Diederich, Tom v van Den Honert, Vincent | 4-6,5-7 |
| ITF Portugal F1 | 2016/02/22 11:30 | Belda, Pablo v Diederich, Tom | 0-6,3-6 |