Round: 54 Ground: Clay
| ITF Sweden F5 | 2018/09/29 09:50 | Edis Nokic v Melker Isaksson | 7-5,6-4 |
| ITF Sweden F4 | 2018/09/23 09:00 | Lucas Renard v Melker Isaksson | 6-4,6-4 |
| ITF Sweden F2 Qual | 2018/05/12 08:00 | Melker Isaksson v Simon Yitbarek | 2-6,1-6 |
| ITF Sweden F1 Qual | 2018/05/05 08:00 | Melker Isaksson v Carl Gustafsson | 3-6,4-6 |
| ITF Tunisia F26 | 2017/09/09 08:30 | Melker Isaksson v Luca Giacomini | 1-6,0-6 |
| ITF Tunisia F25 | 2017/09/03 09:00 | Christoffer Solberg v Melker Isaksson | 6-4,6-1 |
| ITF Sweden F2 Qual | 2017/05/13 13:20 | Melker Isaksson v Marcelo Barros | 2-6,3-6 |
| ITF Sweden F1 Qual | 2017/05/06 10:25 | Marcelo Barros v Melker Isaksson | 7-5,6-0 |
| Challenger Ismaning | 2018/10/14 10:20 | Christian Hirschmueller v Szymon Walkow | 4-6,6-7 |
| Challenger Ismaning | 2018/10/13 11:00 | Elliot Benchetrit v Christian Hirschmueller | 6-4,5-7,6-7 |
| ITF Germany F15 | 2018/10/10 14:40 | Louis Wessels v Christian Hirschmueller | 2-6,6-2,7-6 |
| ITF Germany F13 | 2018/08/22 08:00 | Benjamin Hassan v Christian Hirschmueller | 6-3,6-2 |
| ITF Serbia F2 | 2018/08/15 10:35 | Christian Hirschmueller v Arthur Rinderknech | 1-6,2-6 |
| ITF Germany F5 | 2018/06/29 11:00 | Christian Hirschmueller v Dimitar Kuzmanov | 1-6,0-6 |
| ITF Germany F5 | 2018/06/28 11:30 | Vladimir Ivanov v Christian Hirschmueller | 2-6,2-6 |
| ITF Germany F5 | 2018/06/26 13:40 | Tim Seibert v Christian Hirschmueller | 2-6,6-3,3-6 |