Round: 54 Ground: Hardcourt indoor
| ITF Switzerland F1 Qual | 2018/02/04 09:00 | Alexander Wolfschmidt v Valentin Guenther | 2-6,3-6 |
| ITF Switzerland F1 Qual | 2018/02/03 09:00 | Alexander Wolfschmidt v Gian Gruenig | 7-6,0-6,7-6 |
| ITF Germany F3 Qual | 2018/01/28 13:00 | Alexander Wolfschmidt v Mike Loccisano | 3-6,2-6 |
| ITF USA F1 Qual | 2017/12/30 19:30 | Martin Redlicki v Alexander Wolfschmidt | 6-2,6-3 |
| ITF Italy F28 Qual | 2017/09/02 12:50 | Adrian Obert v Alexander Wolfschmidt | 6-3,6-1 |
| ITF Norway F3 | 2016/10/29 09:00 | Alexander Wolfschmidt v Eric Samuelsson | 3-6,3-6 |
| ITF Tunisia F20 Qual | 2016/05/21 09:00 | Alexander Wolfschmidt v Ramy Labna | 4-6,6-2,5-7 |
| ITF Tunisia F19 | 2016/05/16 09:00 | Javier Naser v Alexander Wolfschmidt | 6-1,6-2 |
| ITF Switzerland F2 | 2018/02/14 09:00 | Lukas Klein v Johannes Haerteis | 6-4,7-6 |
| ITF Switzerland F2 | 2018/02/13 11:40 | Johannes Haerteis v Hugo Grenier | 4-6,6-3,7-6 |
| ITF Switzerland F2 Qual | 2018/02/11 10:00 | Johannes Haerteis v Stefan Fiacan | 6-2,6-1 |
| ITF Switzerland F1 | 2018/02/06 12:00 | Johannes Haerteis v Julian Lenz | 6-2,1-6,4-6 |
| ITF Switzerland F1 Qual | 2018/02/05 09:00 | Johannes Haerteis v Giordan Kunz | 6-3,6-3 |
| ITF Egypt F2 | 2018/01/24 09:40 | Johannes Haerteis v Youssef Hossam | 6-7,4-6 |
| ITF Egypt F2 | 2018/01/22 08:00 | Hugo Pierre v Johannes Haerteis | 6-7,1-6 |
| ITF Egypt F2 | 2018/01/21 10:00 | Vinayak Sharma Kaza v Johannes Haerteis | 3-6,2-6 |