Stadium: Pallazzetto Alzano Round: 24 Ground: Hardcourt indoor
| Challenger Budapest | 2019/02/04 12:20 | Alex Molcan v Peter Heller | 5-7,7-5,7-6 |
| ITF M25 Nussloch | 2019/01/27 13:00 | Peter Heller v Botic Van De Zandschulp | 2-6,2-6 |
| ITF M25 Nussloch | 2019/01/26 15:25 | Tim Van Rijthoven v Peter Heller | 4-6,6-3,6-7 |
| ITF M25 Nussloch | 2019/01/25 18:30 | Peter Torebko v Peter Heller | 6-7,4-6 |
| ITF M25 Nussloch | 2019/01/24 13:45 | Peter Heller v Kai Wehnelt | 6-4,6-1 |
| ITF M25 Nussloch | 2019/01/23 16:10 | Peter Heller v Andrew Watson | 6-3,6-2 |
| Challenger Koblenz | 2019/01/14 14:55 | Gianluca Mager v Peter Heller | 6-4,6-4 |
| ITF Qatar F4 | 2018/12/04 12:00 | Peter Heller v Bernardo Saraiva | 4-6,3-6 |
| Challenger Budapest | 2019/02/06 13:20 | Danilo Petrovic v Oscar Otte | 6-7,6-3,6-7 |
| Challenger Budapest | 2019/02/05 16:35 | David Szintai v Danilo Petrovic | 3-6,4-6 |
| Challenger Cleveland | 2019/01/30 01:25 | Darian King v Danilo Petrovic | 6-3,6-4 |
| Challenger Cleveland | 2019/01/28 18:40 | Danilo Petrovic v Ante Pavic | 7-6,4-6,7-6 |
| Challenger Newport Beach | 2019/01/22 21:30 | Danilo Petrovic v Miomir Kecmanovic | 4-6,3-6 |
| Challenger Newport Beach | 2019/01/21 19:35 | Danilo Petrovic v Daniel Elahi Galan | 4-6,6-4,6-2 |
| Challenger Pune | 2018/11/20 05:30 | Danilo Petrovic v Ben Patael | 7-5,4-6,4-6 |
| Challenger Bangalore | 2018/11/13 11:20 | Frederico Ferreira Silva v Danilo Petrovic | 6-3,3-6,6-4 |