| French Open Qual | 05/22 12:50 | 44 | [417] Alejandro Gonzalez v Kristijan Mesaros [247] | 7-6,4-6,7-6 | |
| Challenger Ostrava | 05/02 08:00 | 25 | [227] Kristijan Mesaros v Marco Cecchinato [151] | 7-5,3-6,3-6 | |
| Challenger Francavilla | 04/26 09:30 | 26 | [228] Kristijan Mesaros v Pedro Sousa [219] | 4-6,1-6 | |
| Challenger Francavilla | 04/24 14:30 | 25 | [108] Gastao Elias v Kristijan Mesaros [228] | 6-7,6-4,3-6 | |
| ITF Turkey F14 | 04/13 10:10 | 26 | [227] Kristijan Mesaros v Isak Arvidsson [217] | 4-6,6-3,5-7 | |
| ITF Turkey F14 | 04/11 10:20 | 25 | Kristijan Mesaros v Sefa Suluoglu | 6-1,6-0 | |
| ITF Turkey F13 | 04/07 08:00 | 27 | Kristijan Mesaros v Juan P Varillas | 6-7,5-7 | |
| ITF Turkey F13 | 04/06 07:30 | 26 | Kristijan Mesaros v Volodymyr Uzhylovskyi | 6-0,6-1 | |
| ITF Turkey F13 | 04/05 07:30 | 25 | Kristijan Mesaros v Simon Navarro | 6-0,3-6,6-3 | |
| ITF Croatia F2 | 03/18 10:00 | 28 | [238] Zdenek Kolar v Kristijan Mesaros [229] | 3-6,6-4,6-2 | |
| ITF Croatia F2 | 03/17 13:50 | 27 | Jurij Rodionov v Kristijan Mesaros | 6-7,3-6 | |
| ITF Croatia F2 | 03/16 11:40 | 26 | Laslo Urrutia Fuentes v Kristijan Mesaros | 5-7,3-6 | |
| ITF Croatia F2 | 03/15 12:55 | 25 | Filipp Kekercheni v Kristijan Mesaros | 0-6,4-6 | |
| ITF Tunisia F6 | 02/19 12:15 | 29 | Kristijan Mesaros v Tomislav Brkic | Retired | |
| ITF Tunisia F6 | 02/18 09:00 | 28 | Kristijan Mesaros v Marcelo Zormann | 6-4,6-4 | |
| ITF Tunisia F6 | 02/17 13:00 | 27 | Kristijan Mesaros v Thomas Brechemier | 6-3,3-6,6-4 | |
| ITF Tunisia F6 | 02/16 08:30 | 26 | Kristijan Mesaros v Jordan Ubiergo | 3-6,7-6,6-4 | |
| ITF Tunisia F6 | 02/14 08:30 | 25 | Kristijan Mesaros v Martin Cuevas | 6-0,4-6,6-3 | |
| ITF Tunisia F4 | 02/05 09:00 | 29 | Kristijan Mesaros v Marc Giner | 1-6,1-6 | |
| ITF Tunisia F4 | 02/04 11:05 | 28 | Kristijan Mesaros v Carlos Taberner | 6-3,7-6 | |
| ITF Tunisia F4 | 02/03 09:55 | 27 | Kristijan Mesaros v Ivan Gakhov | 6-3,6-2 | |
| ITF Tunisia F4 | 02/02 11:30 | 26 | Kristijan Mesaros v Manfred Fellin | 7-6,6-1 | |
| ITF Tunisia F4 | 01/31 08:30 | 25 | Kristijan Mesaros v Alexey Aleshchev | 6-1,6-4 | |
| Australian Open 2017 Qual | 01/11 06:05 | 44 | Kristijan Mesaros v Guilherme Clezar | 2-6,1-6 | |
| Challenger Ortisei | 11/08 09:00 | 25 | Pedja Krstin v Kristijan Mesaros | Cancelled | |
| ITF Morocco F7 | 11/05 15:00 | 29 | Kristijan Mesaros v Riccardo Bellotti | 4-6,6-4,4-6 | |
| ITF Morocco F8 | 11/04 13:30 | 28 | Kristijan Mesaros v Dante Gennaro | 6-3,6-1 | |
| ITF Morocco F8 | 11/03 11:30 | 27 | Kristijan Mesaros v Colin Van Beem | 6-3,6-1 | |
| ITF Morocco F7 | 11/02 13:00 | 26 | Kristijan Mesaros v Leandro Serrano Sanz | 6-0,6-1 | |
| ITF Morocco F8 | 10/31 12:15 | 25 | Kristijan Mesaros v Ayoub Chakrouni | 6-0,6-0 |