Round: 28 Ground: Hardcourt indoor
| ITF France F19 | 2014/09/19 13:50 | David Guez v Jeremy Jahn | 3-6,6-7 |
| Challenger Heilbronn | 2015/05/11 15:00 | Jason Kubler v Jeremy Jahn | 6-7,6-4,7-5 |
| Challenger Heilbronn Qual | 2015/05/10 11:25 | Henri Laaksonen v Jeremy Jahn | 4-6,4-6 |
| ITF Turkey F7 | 2015/02/18 09:10 | Jeremy Jahn v Franko Skugor | 4-6,6-4,2-6 |
| ITF Turkey F7 | 2015/02/17 07:30 | Kittiphong Wachiramanowong v Jeremy Jahn | 1-6,2-6 |
| ITF Turkey F7 | 2015/02/14 07:00 | Cheong Hwi Kim v Jeremy Jahn | 0-6,1-6 |
| ITF Turkey F6 | 2015/02/12 10:00 | Dimitar Kuzmanov v Jeremy Jahn | 6-3,6-2 |
| ITF Turkey F6 | 2015/02/11 11:30 | Jeremy Jahn v Antoine Hoang | 6-1,7-6 |
| ITF Turkey F6 | 2015/02/07 09:00 | Sefa Suluoglu v Jeremy Jahn | 0-6,0-6 |
| ITF France F13 | 2015/07/07 08:00 | David Guez v Sadio Doumbia | 2-6,3-6 |
| ITF France F11 | 2015/06/26 08:30 | David Guez v Filip Peliwo | 3-6,1-6 |
| ITF France F11 | 2015/06/24 10:25 | David Guez v Thomas Giraudeau | 7-5,6-4 |
| ITF France F11 | 2015/06/23 14:30 | David Guez v Florian Lakat | 6-2,7-5 |
| Challenger Blois | 2015/06/16 09:00 | Mathias Bourgue v David Guez | 6-2,6-2 |
| Challenger Mestre Qual | 2015/06/01 16:20 | David Guez v Mitchell Krueger | 3-6,3-6 |
| Challenger Aix en Provence | 2015/05/05 10:55 | David Guez v Inigo C Huegun | 5-7,4-6 |
| ITF France F8 | 2015/04/25 12:00 | Jonathan Eysseric v David Guez | 6-3,6-7,6-0 |