Round: 54 Ground: Clay
| ITF Estonia F2 | 2015/10/24 07:00 | Mika Kosonen v Daniil Zarichanskiy | 6-3,7-6 |
| ITF Finland F3 | 2015/08/18 08:00 | Giovanni Rizzuti v Mika Kosonen | 6-1,7-5 |
| ITF Finland F1 | 2015/08/04 11:10 | Bobbie De Goeijen v Mika Kosonen | 1-6,4-6 |
| ITF Finland F1 Qual | 2015/08/02 09:30 | Mika Kosonen v Leevi Saatela | 6-3,6-2 |
| ITF Finland F1 Qual | 2015/08/01 12:00 | Mika Kosonen v Jonathan Stenberg | 4-6,7-6,6-2 |
| ITF Estonia F1 | 2015/07/26 07:00 | Herkko Pollanen v Mika Kosonen | 6-2,6-4 |
| ITF Turkey F14 | 2015/04/04 06:30 | Mika Kosonen v Polat Gulcur | 6-4,6-2 |
| ITF Turkey F13 | 2015/03/29 06:30 | Nils Brinkmann v Mika Kosonen | 6-2,6-2 |
| ITF Estonia F2 | 2015/10/24 09:30 | Johannes Seeman v Karl Kiur Saar | 6-7,6-7 |
| ITF Finland F3 | 2015/08/17 07:00 | Karl Kiur Saar v Christian Samuelsson | 3-6,0-6 |
| ITF Finland F3 Qual | 2015/08/16 07:00 | Karl Kiur Saar v Leevi Saatela | 6-7,7-5,7-6 |
| ITF Finland F3 Qual | 2015/08/15 07:30 | Karl Kiur Saar v Mikko Rouvala | 6-3,6-4 |
| ITF Estonia F1 | 2015/07/25 09:00 | Karl Kiur Saar v Martin Valdo Randpere | 7-5,7-5 |
| ITF Estonia F4 | 2014/11/01 08:00 | Karl Kiur Saar v Timur Kiyamov | 3-6,1-6 |
| ITF Estonia F3 | 2014/10/25 09:30 | Karl Kiur Saar v Ville-Petteri Ahti | 3-6,2-6 |