Stadium: Court 1 Round: 62 Ground: Clay
| ITF Germany F9 | 2018/07/22 15:30 | Seraphim, Christian v Oscar Moraing | 6-4,7-6 |
| ITF Germany F9 | 2018/07/22 08:00 | Kopeinigg, Daniel v Seraphim, Christian | 4-6,3-6 |
| ITF Austria F3 | 2018/07/14 07:15 | Hubner, Edward v Seraphim, Christian | 6-2,5-7,7-5 |
| ITF USA F15 | 2018/06/19 14:00 | Petros Chrysochos v Seraphim, Christian | 3-6,6-3,6-3 |
| ITF USA F13 | 2018/06/12 16:40 | Sarkissian, Alexander v Seraphim, Christian | 6-4,6-4 |
| ITF USA F13 Qual | 2018/06/11 16:20 | Seraphim, Christian v Felix Corwin | 6-3,6-3 |
| ITF USA F13 Qual | 2018/06/10 14:00 | Seraphim, Christian v Gardner, Kevin | 6-1,6-1 |
| ITF USA F13 Qual | 2018/06/09 15:30 | Thomas, Danny v Seraphim, Christian | 6-7,4-6 |
| ITF Germany F9 | 2018/07/22 08:00 | Schmitz, Constantin v Chaukulkar, Tejas | 6-3,6-1 |
| ITF USA F37 | 2017/11/14 16:00 | Schmitz, Constantin v Nuno Borges | 1-6,7-6,2-6 |
| ITF USA F36 | 2016/11/13 16:00 | Schmitz, Constantin v Mina, Gianni | 6-4,1-6,0-6 |
| ITF USA F36 | 2016/11/12 19:00 | Schmitz, Constantin v Rubin Statham | 6-3,2-6,7-6 |
| ITF USA F36 | 2016/11/11 16:00 | Maxime Chazal v Schmitz, Constantin | 6-3,2-6,4-6 |
| ITF USA F36 | 2016/11/10 16:00 | Schmitz, Constantin v Felix Auger Aliassime | 6-0,6-2 |
| ITF USA F36 | 2016/11/08 17:45 | Schmitz, Constantin v Carter, Andrew | 6-2,6-1 |
| ITF USA F36 | 2016/11/07 15:30 | Schmitz, Constantin v Isaiah Strode | 4-6,6-4,6-3 |