Round: 45 Ground: Clay
| ITF Belgium F5 | 2018/07/22 12:00 | Giusca, Teodor v Diederich, Tom | 6-4,6-2 |
| ITF Belgium F5 | 2018/07/21 13:00 | Diederich, Tom v Duquesne, Goran | 6-4,6-2 |
| ITF Germany F8 Qual | 2018/07/15 12:30 | Diederich, Tom v Arthur Reymond | 3-6,1-6 |
| ITF Germany F8 Qual | 2018/07/15 08:30 | Diederich, Tom v Tholl, Robi | 6-4,6-2 |
| ITF Germany F6 | 2018/07/03 08:30 | Diederich, Tom v Boris Fassbender | 3-6,3-6 |
| 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 France F15 | 2018/07/25 09:30 | Diep, Florent v Alexis Boureau | 7-6,4-6,6-3 |
| ITF France F15 | 2018/07/23 09:00 | Alexis Boureau v Sprengelmeijer, Paul | 6-1,6-1 |
| ITF France F15 Qual | 2018/07/22 11:20 | Alexis Boureau v Chapoutot, Hugo | 6-0,6-0 |
| ITF France F15 | 2018/07/21 12:25 | Alexis Boureau v Stino, Mario | 6-3,6-3 |
| ITF France F14 | 2018/07/17 14:05 | Alexis Boureau v Hamou, Maxime | 2-6,4-6 |
| France F14, Singles Qualifying | 2018/07/14 11:55 | Alexis Boureau v Cazaban, Hugo | 6-2,6-3 |
| ITF France F12 | 2018/07/02 09:30 | Alexis Boureau v Yann Marti | 3-6,6-7 |
| ITF France F12 Qual | 2018/07/01 08:30 | Avidzba, Alen v Alexis Boureau | 4-6,6-7 |