Stadium: Court 3 Round: 54 Ground: Carpet indoor
| ITF Germany F3 Qual | 2018/01/28 10:30 | Boltz, Sebastien v Boulais, Justin | 6-1,6-4 |
| ITF France F2 | 2018/01/18 12:40 | Boltz, Sebastien v Reboul, Fabien | 2-6,1-6 |
| ITF France F2 | 2018/01/16 10:00 | Juan Pablo Paz v Boltz, Sebastien | 0-6,3-6 |
| ITF Germany F1 | 2018/01/11 11:00 | Authom, Maxime v Boltz, Sebastien | 6-4,6-4 |
| ITF Germany F1 | 2018/01/09 12:25 | Boltz, Sebastien v Albano Olivetti | 3-6,7-5,6-3 |
| ITF Estonia F3 | 2017/11/03 11:20 | Tyurnev, Evgeny v Boltz, Sebastien | 6-7,6-1,6-4 |
| ITF Estonia F3 | 2017/11/01 09:00 | Boltz, Sebastien v Sekulic, Milos | 6-1,7-5 |
| ITF Estonia F3 | 2017/10/30 08:00 | Boltz, Sebastien v Mylokostov, Denys | 6-4,4-6,6-3 |
| ITF Germany F3 Qual | 2018/01/28 13:00 | Kleinen, Alwin v Lang, Robin | 3-6,2-6 |
| ITF Germany F2 | 2018/01/24 17:55 | Lang, Robin v Jan Choinski | 3-6,2-6 |
| ITF Germany F2 Qual | 2018/01/22 13:40 | Lang, Robin v Tom Schonenberg | 7-6,4-6,6-2 |
| ITF Germany F2 Qual | 2018/01/21 13:00 | Uzhylovsky, Vladimir v Lang, Robin | 6-7,4-6 |
| ITF Germany F2 Qual | 2018/01/21 08:30 | Lang, Robin v Nikolas, Klemen | 6-2,6-4 |
| ITF Germany F1 | 2018/01/08 11:30 | Seifert, Stefan v Lang, Robin | 7-6,6-4 |
| ITF Germany F16 | 2017/10/22 08:00 | Boerma, Pelle v Lang, Robin | 5-7,1-6 |
| ITF Germany F16 | 2017/10/22 08:00 | Lang, Robin v Veldheer, Mick | 2-6,3-6 |