Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Héraklion | 2019/05/14 07:00 | Benya, Roee v Boris Pokotilov | 5-7,4-6 |
| ITF - M15 Héraklion | 2019/05/13 07:00 | Sergis Kyratzis v Boris Pokotilov | 1-6,2-6 |
| ITF M15 Sozopol | 2019/05/08 08:00 | Gabriel Donev v Boris Pokotilov | 5-7,6-4,6-4 |
| ITF M15 Sozopol | 2019/05/07 09:00 | Boris Pokotilov v Keisidis, Christos | 6-3,3-6,10-3 |
| ITF M15 Sozopol | 2019/05/06 07:00 | Boris Pokotilov v Iliev, Martin | 6-3,7-6 |
| ITF M15 Grasse | 2019/05/02 11:15 | Hugo Gaston v Boris Pokotilov | 6-3,6-0 |
| ITF M15 Grasse | 2019/05/01 12:35 | Boris Pokotilov v Arreche, Nicolas Alberto | 6-3,6-3 |
| ITF M15 Grasse | 2019/04/29 14:30 | Alexis Boureau v Boris Pokotilov | 3-6,3-6 |
| ITF - M15 Héraklion | 2019/05/13 07:00 | Guenther, Valentin v Eminefendic, Ervin Haris | 6-4,6-2 |
| ITF - M15 Héraklion | 2019/05/09 07:00 | Glasspool, Lloyd v Guenther, Valentin | 7-6,6-4 |
| ITF - M15 Héraklion | 2019/05/07 10:00 | Guenther, Valentin v Addison, Aaron | 6-3,7-6 |
| Bolton, Qualifications Simples M-ITF-GBR-03A | 2019/04/01 08:00 | Farmer, Elliott v Guenther, Valentin | 6-3,7-5 |
| ITF - M15 Poitiers | 2019/03/11 16:35 | Faivre, Pierre v Guenther, Valentin | 6-1,6-2 |
| ITF - M15 Poitiers | 2019/03/11 13:05 | Emilien Voisin v Guenther, Valentin | 1-6,6-7 |
| Oslo, Singles M-ITF-NOR-01A | 2019/03/05 09:00 | Guenther, Valentin v Mayer, Patrick | 1-6,6-3,9-11 |
| ITF - M15 Monastir | 2019/02/07 08:00 | Jacopo Berrettini v Guenther, Valentin | 5-7,7-5,7-5 |