Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Héraklion | 2019/11/28 08:00 | Bogdan Bobrov v Guy Den Heijer | 6-2,7-6 |
| ITF - M15 Héraklion | 2019/11/27 09:30 | Leopold Zima v Guy Den Heijer | 3-6,0-6 |
| ITF - M15 Héraklion | 2019/11/19 08:30 | Bogdan Bobrov v Guy Den Heijer | 7-5,6-4 |
| ITF - M15 Héraklion | 2019/11/13 09:35 | Anton Matusevich v Guy Den Heijer | 6-3,7-5 |
| ITF - M15 Doha | 2019/10/24 12:00 | Guy Den Heijer v Hansson, Gustav | 3-6,4-6 |
| ITF - M15 Doha | 2019/10/23 13:50 | Mikalai Haliak v Guy Den Heijer | 6-7,6-2,2-6 |
| ITF - M15 Doha | 2019/10/16 12:00 | Guy Den Heijer v Antoine Bellier | 1-6,3-6 |
| ITF - M15 Antalya | 2019/09/27 07:30 | Paul Woerner v Guy Den Heijer | 6-2,6-1 |
| ITF - M15 Monastir | 2020/01/30 11:00 | Sebastian Baez v Musialek, Alexis | 6-3,6-1 |
| ITF - M15 Monastir | 2020/01/29 11:20 | Musialek, Alexis v Jorge Martinez Martinez | 6-2,6-2 |
| ITF - M15 Monastir | 2019/12/19 12:15 | Musialek, Alexis v Arthur Rinderknech | 2-6,2-6 |
| ITF - M15 Monastir | 2019/12/18 16:55 | Musialek, Alexis v Giorgio Ricca | 7-6,6-1 |
| ITF - M15 Monastir | 2019/12/05 14:40 | Musialek, Alexis v Calvin Hemery | 0-6,1-6 |
| ITF - M15 Monastir | 2019/12/05 11:05 | Musialek, Alexis v Tchoutakian, Maxime | 6-3,6-2 |
| ITF - M15 Telde | 2019/11/30 11:00 | Musialek, Alexis v Nathan Seateun | 2-6,0-6 |
| ITF - M15 Telde | 2019/11/29 10:30 | Musialek, Alexis v Imanol L Morillo | 6-3,6-1 |