Stadium: Court 1 Round: 25 Ground: Clay
| ITF Kuwait F2 | 2017/11/08 07:00 | Daniel Altmaier v Mats Rosenkranz | 7-6,6-3 |
| Challenger Heilbronn | 2019/05/15 11:35 | Guillermo Garcia-Lopez v Daniel Altmaier | 6-3,6-3 |
| Challenger Heilbronn | 2019/05/14 09:30 | Daniel Altmaier v Jurij Rodionov | 6-4,6-2 |
| ITF M15 Troisdorf | 2019/05/07 15:30 | Bastien Presuhn v Daniel Altmaier | 1-6,2-6 |
| ITF M15 Troisdorf | 2019/05/06 14:00 | Daniel Altmaier v Oscar Galimardanov | 6-2,6-0 |
| ITF M15 Antalya | 2019/04/11 11:15 | Vladimir Filip v Daniel Altmaier | 0-6,1-6 |
| ITF M15 Antalya | 2019/04/10 12:15 | Christian Hirschmueller v Daniel Altmaier | 4-6,4-6 |
| ITF M15 Sharm El Sheikh | 2019/03/21 09:20 | Robert Strombachs v Daniel Altmaier | 3-6,7-6,6-2 |
| ITF M15 Sharm El Sheikh | 2019/03/19 08:00 | Gilbert S K Junior v Daniel Altmaier | 2-6,3-6 |
| ITF M15 Bucharest | 2019/05/23 11:05 | Alexandar Lazarov v Mats Rosenkranz | 6-1,6-2 |
| ITF M15 Bucharest | 2019/05/22 08:30 | Razvan M Codescu v Mats Rosenkranz | 2-6,1-6 |
| ITF M15 Kalmar | 2019/05/14 12:35 | Gustav Hansson v Mats Rosenkranz | 7-5,6-7,7-5 |
| ITF M15 Antalya | 2019/05/08 07:15 | Mats Rosenkranz v Oleg Prihodko | 1-6,6-4,6-7 |
| ITF M15 Antalya | 2019/05/03 09:55 | Mats Rosenkranz v Georgii Kravchenko | 6-0,4-6,5-7 |
| ITF M15 Antalya | 2019/05/02 11:40 | Denis Klok v Mats Rosenkranz | 3-6,6-4,4-6 |
| ITF M15 Antalya | 2019/05/01 09:05 | George Botezan v Mats Rosenkranz | 7-5,1-6,2-6 |
| ITF M25 Santa Margherita | 2019/04/26 12:00 | Mats Rosenkranz v David Pichler | 1-6,6-4,1-6 |