Round: 44 Ground: Clay
| ITF M15 Opatija | 2021/03/22 08:00 | Kristijan Juhas v Matteo Arnaldi | 6-3,4-6,7-10 |
| ITF M15 Rovinj | 2021/03/16 11:35 | Kristijan Juhas v Francesco Passaro | 1-6,0-6 |
| ITF M15 Rovinj | 2021/03/15 14:10 | Juan Bautista Otegui v Kristijan Juhas | 0-6,2-6 |
| ITF M15 Porec | 2021/03/08 10:00 | Sebastian Prechtel v Kristijan Juhas | 6-3,7-5 |
| ITF M15 Porec | 2021/03/07 11:00 | Kristijan Juhas v Eric Morris | 6-1,4-6,10-7 |
| ITF M15 Zlatibor | 2019/09/18 10:35 | Ljubomir Celebic v Kristijan Juhas | 6-2,6-2 |
| ITF M15 Zlatibor | 2019/09/17 07:00 | Goran Radanovic v Kristijan Juhas | 7-6,4-6,0-10 |
| ITF M15 Zlatibor | 2019/09/16 08:00 | Igor Banicevic v Kristijan Juhas | 0-6,0-6 |
| ITF M15 Sibenik | 2021/04/19 12:20 | Gorazd Srbljak v Martin Zeljenka | 6-0,6-2 |
| ITF M15 Sibenik | 2021/04/18 10:00 | Martin Zeljenka v Anze Arh | 7-5,1-6,10-3 |
| ITF M15 Szekesfehervar | 2019/09/01 10:30 | Martin Zeljenka v Tomas Liska | 4-6,2-6 |
| ITF M25 Gyor | 2019/08/25 09:00 | Martin Zeljenka v Mate Voros | 3-6,6-7 |
| ITF M15 Baja | 2019/08/12 08:00 | Roko Horvat v Martin Zeljenka | 6-3,2-6,10-7 |
| ITF M15 Targu Mures | 2019/08/06 08:00 | Martin Zeljenka v Gilad Tamar | 6-7,6-2,7-10 |
| ITF M15 Novi Sad | 2019/07/29 08:00 | David Szintai v Martin Zeljenka | 6-2,6-1 |
| ITF M25 Gyula | 2019/05/27 12:30 | Peter Sallay v Martin Zeljenka | 6-2,6-2 |