Stadium: Court 3 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2020/02/16 11:00 | Valentin Guenther v Hao Yuan Ng | 6-2,6-0 |
| ITF M15 Heraklion | 2020/02/12 13:10 | Valentin Guenther v Alexander Erler | 4-6,6-2,4-6 |
| ITF M15 Manacor | 2020/01/12 10:00 | Valentin Guenther v Christopher Patzanovsky | 4-6,7-5,10-5 |
| ITF M15 Manacor | 2020/01/09 09:00 | Jonas Forejtek v Valentin Guenther | 6-2,1-6,6-4 |
| ITF M15 Manacor | 2020/01/07 10:30 | Valentin Royer v Valentin Guenther | 3-6,1-6 |
| ITF M15 Heraklion | 2019/12/03 09:30 | Jakub Paul v Valentin Guenther | 6-3,6-4 |
| ITF M15 Heraklion | 2019/11/27 09:30 | Valentin Guenther v Uisung Park | 3-6,2-6 |
| ITF M15 Heraklion | 2019/11/26 08:00 | Valentin Guenther v Aleksei Khomich | 6-4,5-7,10-8 |
| ITF M15 Heraklion | 2020/02/16 11:00 | William Griffith v Vincent Knoess | 6-1,6-1 |
| Challenger Newport Beach | 2020/01/27 18:30 | Agustin Velotti v William Griffith | 6-2,6-4 |
| ITF M15 Cancun | 2019/09/15 19:00 | William Griffith v Mauricio Astorga | 6-7,3-6 |
| ITF M15 Cancun | 2019/09/15 14:30 | William Griffith v Jabari Stafford | 6-0,6-2 |
| ITF M15 Sao Bras Alportel | 2019/09/04 12:00 | William Griffith v Julius Tverijonas | 4-6,5-7 |
| ITF M15 Sao Bras Alportel | 2019/09/03 09:00 | William Griffith v Ottaviano Martini | 6-4,6-3 |
| ITF M15 Sao Bras Alportel | 2019/09/02 09:00 | William Griffith v Paramveer Singh Bajwa | 7-6,6-1 |
| ITF M15 Piombino | 2019/08/29 12:30 | William Griffith v Walter Trusendi | 2-6,4-6 |