Stadium: Clay 3 Round: 25 Ground: Clay
| ITF M25 Ricany | 2019/09/26 11:40 | Jonas Forejtek v Peter Heller | 6-4,7-6 |
| Challenger Biella | 2019/09/19 12:00 | Gianluca Mager v Peter Heller | 6-4,7-6 |
| Challenger Biella | 2019/09/17 13:35 | Peter Heller v Filippo Baldi | 3-6,6-4,7-5 |
| Challenger Biella | 2019/09/16 11:35 | Peter Heller v Jordan Correia | 7-6,6-2 |
| Austria Bundesliga | 2019/09/07 10:00 | Lenny Hampel v Peter Heller | 3-6,6-3,6-4 |
| ITF M25 Trieste | 2019/09/04 15:35 | Juan Pablo Varillas v Peter Heller | 6-2,6-4 |
| ITF M25 Trieste | 2019/09/03 17:30 | Thiemo De Bakker v Peter Heller | 3-6,6-2,4-6 |
| ITF M25 Trieste | 2019/09/03 13:30 | Thiemo De Bakker v Peter Heller | 3-6,6-2,4-6 |
| ITF M15 Antalya | 2019/10/01 07:00 | Lukas H Lilleengen v Oleksandr Bielinskyi | 2-6,7-6,10-4 |
| ITF M15 Antalya | 2019/09/30 07:30 | Lukas H Lilleengen v Thomas Brechemier | 5-7,6-0,10-3 |
| ITF M15 Antalya | 2019/09/22 12:00 | Lukas H Lilleengen v Mats Hermans | 4-6,0-6 |
| ITF M15 Tabarka | 2019/09/02 16:00 | Yurii Dzhavakian v Lukas H Lilleengen | 7-5,6-3 |
| ITF M15 Tabarka | 2019/08/28 13:00 | Lukas H Lilleengen v Andrey Chepelev | 5-7,2-6 |
| ITF M15 Tabarka | 2019/08/26 13:00 | Lukas H Lilleengen v Marco De Rosa | 6-1,6-0 |
| ITF M15 Tabarka | 2019/08/26 08:00 | Lukas H Lilleengen v Francesco Liucci | 6-4,6-2 |
| ITF M15 Koksijde | 2019/08/14 09:20 | Lukas H Lilleengen v Charles Broom | 1-6,6-3,2-6 |