Stadium: Central Court Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Héraklion | 2019/11/28 08:00 | Daniel Masur v Petros Tsitsipas | 6-0,6-2 |
| ITF - M15 Héraklion | 2019/11/27 09:30 | Alexander Donski v Petros Tsitsipas | 6-4,4-6,4-6 |
| ITF - M15 Héraklion | 2019/11/20 12:00 | Petros Tsitsipas v Ivanov, Simon Anthony | 4-6,3-6 |
| ITF - M15 Héraklion | 2019/11/13 08:00 | Kirkov, Vasil v Petros Tsitsipas | 7-6,7-6 |
| ITF - M15 Héraklion | 2019/11/06 12:55 | Lucas Catarina v Petros Tsitsipas | 6-2,6-4 |
| ITF M25 Monastir | 2019/10/28 11:00 | Alafia Ayeni v Petros Tsitsipas | 6-3,6-1 |
| ITF M25 Monastir | 2019/10/27 14:00 | Petros Tsitsipas v Nagoudi, Adam | 6-4,6-4 |
| ITF M25 Monastir | 2019/10/27 10:30 | Buvaysar Gadamauri v Petros Tsitsipas | 3-6,4-6 |
| ITF M15 Cairo | 2019/11/28 09:20 | Zukas, Matias v Oleg Prihodko | 6-3,3-6,3-6 |
| ITF M15 Cairo | 2019/11/27 14:25 | Zukas, Matias v Alex M Pujolras | 6-2,7-6 |
| ITF - M15 Antalya | 2019/11/22 07:00 | Duje Ajdukovic v Zukas, Matias | 6-3,6-1 |
| ITF - M15 Antalya | 2019/11/21 06:55 | Juan Pablo Paz v Zukas, Matias | 3-6,3-6 |
| ITF - M15 Antalya | 2019/11/19 08:30 | Tristan Boyer v Zukas, Matias | 3-6,3-6 |
| ITF - M15 Antalya | 2019/11/13 10:15 | Miljan Zekic v Zukas, Matias | 7-6,6-4 |
| Sao Paulo, Singles M-ITF-BRA-06A | 2019/10/19 14:25 | Malla, Bastian v Zukas, Matias | 7-6,6-1 |
| Sao Paulo, Singles M-ITF-BRA-06A | 2019/10/18 13:55 | Zukas, Matias v Huertas Del Pino Cordova, Arklon | 6-4,2-6,6-4 |