Round: 25 Ground: Clay
| ITF Romania F7 | 2015/06/27 06:00 | Giorgio Ricca v Kalambay, Jessy | 6-3,6-1 |
| ITF Ukraine F3 | 2015/05/26 11:55 | Kalambay, Jessy v Wang, Tak Khunn | 4-6,4-6 |
| ITF Ukraine F3 | 2015/05/25 07:00 | Kalambay, Jessy v Yehorov, Vasil | 6-3,6-4 |
| ITF France F8 Qual | 2015/04/20 11:05 | Benjamin Bonzi v Kalambay, Jessy | 6-4,6-3 |
| ITF France F8 Qual | 2015/04/19 16:30 | Ramiaramanan, Lofo v Kalambay, Jessy | 6-7,5-7 |
| ITF India F3 | 2015/03/17 09:00 | Nedunchezhiyan, Jeevan v Kalambay, Jessy | 7-6,6-3 |
| ITF India F2 | 2015/03/11 05:40 | Ranjeet Virali-Murugesan v Kalambay, Jessy | 4-6,6-3,6-3 |
| ITF Tunisia F5 | 2015/02/15 09:30 | Mitjana, Leny v Kalambay, Jessy | 6-4,3-6,6-1 |
| ITF Austria F6 | 2015/07/29 11:20 | Nagy, Peter v Rossier, Simeon | 6-4,7-6 |
| ITF France F14 | 2015/07/13 13:05 | Roumane, Rayane v Rossier, Simeon | 7-5,5-7,7-6 |
| ITF Germany F6 | 2015/07/06 12:30 | Rossier, Simeon v Lucas Gerch | 4-6,2-6 |
| ITF Germany F6 | 2015/07/06 08:00 | Rossier, Simeon v Milan Welte | 6-0,6-3 |
| ITF Turkey F31 | 2015/06/18 08:00 | Rossier, Simeon v Cem Ilkel | 4-6,4-6 |
| ITF Turkey F23 | 2015/06/09 11:25 | Jankovits, Yannick v Rossier, Simeon | 6-1,6-1 |
| ITF Turkey F21 | 2015/05/26 11:20 | Rossier, Simeon v Surreaux, Arthur | 0-6,0-6 |
| ITF Israel F10 | 2015/05/07 08:30 | Botzer, Bar Tzuf v Rossier, Simeon | 6-3,6-2 |