Round: 54 Ground: Hardcourt outdoor
| ITF France F22 Qual | 2017/09/30 08:00 | Nicolas Teysseyre v Arthur Bouquier | 6-3,4-6,6-4 |
| ITF Sweden F2 Qual | 2018/05/12 08:00 | Christian Samuelsson v Robin Thour | 4-6,6-7 |
| ITF Sweden F1 | 2018/05/08 11:05 | Christian Samuelsson v Mike Urbanija | 4-6,6-7 |
| ITF USA F8 Qual | 2018/03/18 18:00 | Christian Samuelsson v Michael Redlicki | 2-6,2-6 |
| ITF USA F8 Qual | 2018/03/17 19:30 | William Grant v Christian Samuelsson | 6-7,4-6 |
| ITF USA F7 Qual | 2018/03/11 18:00 | Christian Samuelsson v Boris Arias | 1-6,6-3,3-6 |
| ITF Turkey F8 | 2018/02/24 09:30 | Lukas Krainer v Christian Samuelsson | 2-6,4-6 |
| ITF Turkey F7 | 2018/02/18 11:30 | Christian Samuelsson v Kazuki Shimizu | 6-3,3-6,4-6 |
| ITF Turkey F7 | 2018/02/18 06:30 | Luis Britto v Christian Samuelsson | 3-6,4-6 |