Stadium: Sparkassen Court Round: 25 Ground: Clay
| ITF M15 Marburg | 2019/07/08 09:00 | Heger, Tim v Aaes, Ludvig | 6-3,6-3 |
| ITF M15 Marburg | 2019/07/08 08:00 | Heger, Tim v Walder, Jordi | 3-6,7-5,10-7 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2019/07/01 08:00 | Meraut, Tristan v Heger, Tim | 6-3,7-6 |
| Karlsruhe, Singles M-ITF-GER-04A | 2019/06/04 11:10 | Heger, Tim v Netuschil, Marvin | 1-6,1-6 |
| ITF M25 Kiseljak | 2019/05/30 07:00 | Heger, Tim v Francisco Cerundolo | 1-6,2-6 |
| ITF M25 Kiseljak | 2019/05/28 10:05 | Heger, Tim v Puljic, Luka | 6-3,6-3 |
| ITF - M15 Antalya | 2019/05/02 09:35 | Heger, Tim v Ergi Kirkin | 1-6,5-7 |
| ITF - M15 Antalya | 2019/05/01 12:55 | Hermans, Mats v Heger, Tim | 6-7,7-5,6-7 |
| ITF M15 Marburg | 2019/07/08 09:00 | Gonzalez, Wilfredo v Yannik Steinegger | 1-6,4-6 |
| ITF M15 Marburg | 2019/07/08 07:00 | Rother, Jannik v Yannik Steinegger | 4-6,2-6 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2019/07/03 12:35 | Obert, Adrian v Yannik Steinegger | 7-6,6-1 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2019/07/01 10:00 | Obert, Adrian v Yannik Steinegger | 6-3,3-6,10-4 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2019/07/01 08:00 | Muscheites, Lasse v Yannik Steinegger | 4-6,5-7 |
| ITF M15 Kamen | 2019/06/27 09:00 | Yannik Steinegger v Daniel Dutra Da Silva | 2-6,1-6 |
| ITF M15 Kamen | 2019/06/26 09:00 | Yannik Steinegger v Baltensperger, Raphael | 6-2,1-6,7-5 |
| ITF M15 Kamen | 2019/06/24 12:00 | Solomatin, Igor v Yannik Steinegger | 3-6,3-6 |