Stadium: Court 1 Round: 25 Ground: Clay
| ITF Portugal F18 | 2018/09/26 13:30 | Jonathan Gray v Joao Monteiro | 2-6,6-3,2-6 |
| ITF Great Britain F5 | 2018/09/19 10:30 | Antoine Bellier v Jonathan Gray | 6-4,6-1 |
| ITF Great Britain F5 | 2018/09/18 09:45 | Ryan Nijboer v Jonathan Gray | 6-4,3-6,2-6 |
| ITF France F17 | 2018/09/12 14:00 | Christopher Heyman v Jonathan Gray | 3-6,6-4,6-2 |
| ITF France F16 | 2018/09/04 12:50 | Lucas Poullain v Jonathan Gray | 6-2,7-5 |
| ITF Belarus F3 | 2018/08/20 10:10 | Jonathan Gray v Joshua Paris | 6-4,4-6,4-6 |
| ITF Belarus F2 | 2018/08/15 07:00 | Jonathan Gray v Giorgio Ricca | 4-6,5-7 |
| ITF Belarus F2 | 2018/08/14 08:45 | Jonathan Gray v Alon Elia | 6-3,2-6,7-5 |
| ITF Switzerland F5 | 2018/09/05 15:45 | Luca Staeheli v Samuel Bensoussan | 2-6,3-6 |
| ITF Switzerland F5 | 2018/09/04 14:30 | Mirko Martinez v Luca Staeheli | 7-6,6-7,5-7 |
| ITF Switzerland F4 | 2018/08/28 14:30 | Jakub Paul v Luca Staeheli | 6-2,6-2 |
| ITF Switzerland F3 | 2018/08/24 09:30 | Luca Staeheli v Alen Avidzba | 0-6,2-6 |
| ITF Switzerland F3 | 2018/08/23 09:30 | Alejo Vilaro v Luca Staeheli | 6-4,6-7,4-6 |
| ITF Switzerland F3 | 2018/08/21 09:30 | Nicolas Uryson v Luca Staeheli | 3-6,2-6 |
| ITF Austria F1 | 2018/07/04 09:45 | Luca Staeheli v Bruno Santanna | 4-6,4-6 |
| ITF Austria F1 | 2018/07/01 09:05 | Filip Kucbel v Luca Staeheli | 1-6,2-6 |