Stadium: Hard Court 13 Round: 28 Ground: Hardcourt outdoor
| ITF Greece F8 | 2018/11/16 08:00 | Pervolarakis, Michail v Kalovelonis, Markos | 6-4,6-3 |
| ITF Greece F7 | 2018/11/10 08:00 | Pervolarakis, Michail v Kalovelonis, Markos | 7-6,6-4 |
| ITF - M15 Héraklion | 2019/05/31 07:00 | Kobelt, Peter v Kalovelonis, Markos | 4-6,4-6 |
| ITF - M15 Héraklion | 2019/05/30 09:50 | Paris, Joshua v Kalovelonis, Markos | 4-6,6-3,3-6 |
| ITF - M15 Héraklion | 2019/05/29 11:20 | Kalovelonis, Markos v Lo, Chien Hsun | 6-3,7-6 |
| ITF - M15 Héraklion | 2019/05/25 07:00 | Kalovelonis, Markos v Hoyt, Evan | 5-7,7-6,4-6 |
| ITF - M15 Héraklion | 2019/05/24 07:00 | Artunedo Martinav. v Kalovelonis, Markos | 6-7,4-6 |
| ITF - M15 Héraklion | 2019/05/23 07:00 | Kalovelonis, Markos v Aidan Mchugh | 6-3,6-4 |
| ITF - M15 Héraklion | 2019/05/22 10:00 | Stergiou, Ioannis v Kalovelonis, Markos | 4-6,2-6 |
| ITF M15 Tbilisi | 2019/05/03 06:00 | Kalovelonis, Markos v Mark Whitehouse | 6-3,4-6,3-6 |
| ITF - M15 Héraklion | 2019/05/31 07:00 | Pervolarakis, Michail v Craig, Henry | 6-4,6-7,6-4 |
| ITF - M15 Héraklion | 2019/05/30 11:15 | Pervolarakis, Michail v Omni Kumar | 6-2,6-2 |
| ITF - M15 Héraklion | 2019/05/28 12:10 | Pervolarakis, Michail v Yshai Oliel | 6-2,6-4 |
| ITF - M15 Héraklion | 2019/05/23 11:00 | Craig, Henry v Pervolarakis, Michail | 5-7,7-6,6-3 |
| ITF - M15 Héraklion | 2019/05/22 13:15 | Pervolarakis, Michail v Jhun, Alexander | 6-2,6-1 |
| ITF - M15 Héraklion | 2019/05/12 07:30 | Pervolarakis, Michail v Craig, Henry | 6-2,7-5 |
| ITF - M15 Héraklion | 2019/05/11 07:30 | Jonas Trinker v Pervolarakis, Michail | 3-6,4-6 |
| ITF - M15 Héraklion | 2019/05/10 07:00 | Bothwell, Peter v Pervolarakis, Michail | 4-6,6-7 |