Stadium: Court 5 Round: 45 Ground: Clay
| ITF M15 Lambermont | 2019/08/19 09:50 | Marcel Marlon Sudzum v Michalis Sakellaridis | 5-7,6-4,8-10 |
| ITF M15 Den Haag | 2019/07/01 07:30 | Marc Dijkhuizen v Marcel Marlon Sudzum | 6-0,6-2 |
| ITF M15 Alkmaar | 2019/06/24 09:30 | Marcel Marlon Sudzum v Roy Sarut De Valk | 2-6,3-6 |
| ITF M25 Most | 2019/05/27 08:30 | Pavel Motl v Marcel Marlon Sudzum | 6-3,6-3 |
| ITF M25 Santa Margherita | 2019/04/15 12:00 | Toby Martin v Marcel Marlon Sudzum | 6-1,6-2 |
| ITF M25 Santa Margherita | 2019/04/08 12:00 | Marcel Marlon Sudzum v Giovanni Rizzuti | 2-6,0-6 |
| ITF M25 Santa Margherita | 2019/03/25 15:40 | Florent Bax v Marcel Marlon Sudzum | 6-1,6-0 |
| ITF Italy F30 | 2018/09/29 08:00 | Titouan Droguet v Marcel Marlon Sudzum | 6-2,6-2 |
| ITF M15 Lambermont | 2019/08/20 09:40 | Nicolas Demeroutis v Marc Guardeno | 6-4,6-2 |
| ITF M15 Koksijde | 2019/08/12 09:25 | Felipe Derdoy v Marc Guardeno | 6-1,6-0 |
| ITF Great Britain F6 | 2018/09/23 11:30 | Marc Guardeno v Cheraag Bajwa | 2-6,4-6 |
| ITF Portugal F17 | 2018/09/17 09:00 | Marc Guardeno v Fabio Coelho | 1-6,3-6 |
| ITF Germany F11 | 2018/08/05 12:00 | Osni Junior v Marc Guardeno | 6-2,6-4 |
| ITF Spain F15 Qual | 2018/06/09 11:30 | Kento Yamada v Marc Guardeno | 6-4,6-1 |
| ITF Italy F2 Qual | 2018/03/03 13:30 | Matteo Curci v Marc Guardeno | 6-7,6-3,6-2 |
| ITF Spain F8 | 2017/03/17 12:00 | Marc Guardeno v Marco Di Prima | 0-6,0-6 |