Round: 44 Ground: Hardcourt outdoor
| ITF M25 Waco | 2019/10/13 20:00 | Finn Bass v Mate Zsiga | 5-7,0-6 |
| ITF M25 Norman | 2019/10/02 15:00 | Evan Zhu v Mate Zsiga | 6-3,6-2 |
| ITF M25 Norman | 2019/10/01 15:00 | Ruan Roelofse v Mate Zsiga | 1-6,6-4,4-10 |
| ITF M25 Norman | 2019/09/30 15:00 | Mate Zsiga v Grey Hamilton | 6-4,7-5 |
| ITF M25 Norman | 2019/09/29 15:00 | Mate Zsiga v Przemyslaw Zielinski | 6-3,6-1 |
| ITF M25 Tulsa | 2019/06/20 18:40 | Martin Redlicki v Mate Zsiga | 6-3,7-6 |
| ITF M25 Tulsa | 2019/06/19 16:30 | Mate Zsiga v Bernardo Saraiva | 6-4,6-3 |
| ITF M25 Tulsa | 2019/06/18 15:00 | Aron Hiltzik v Mate Zsiga | 4-6,7-6,4-10 |
| ITF M25 Waco | 2019/10/13 20:00 | Barnaby Smith v Logan Smith | 6-2,6-1 |
| ITF M25 Roehampton | 2019/07/29 11:45 | Barnaby Smith v Jacob Fearnley | 4-6,6-4,6-10 |
| ITF M15 Parnu | 2019/07/15 13:00 | Barnaby Smith v Adrian Oetzbach | 3-6,2-6 |
| ITF M15 Parnu | 2019/07/15 07:00 | Barnaby Smith v Johannes Seeman | 6-4,3-6,10-1 |
| ITF M15 Tabarka | 2019/06/24 08:00 | Tristan Boyer v Barnaby Smith | 6-2,6-3 |
| ITF M15 Tabarka | 2019/06/17 09:00 | Michel Vernier v Barnaby Smith | 6-3,6-4 |
| ITF M15 Tabarka | 2019/06/10 13:00 | Guido Ivan Justo v Barnaby Smith | 6-4,6-7,12-10 |
| ITF M15 Tabarka | 2019/06/10 08:00 | Hans Albert Schubert v Barnaby Smith | 0-6,0-6 |