Round: 54 Ground: Clay
| Oslo, Singles M-ITF-NOR-01A | 2019/03/04 09:00 | Isaksson, Melker v Mayer, Patrick | 4-6,2-6 |
| ITF Sweden F5 | 2018/09/29 09:50 | Nokic, Edis v Isaksson, Melker | 7-5,6-4 |
| ITF Sweden F4 | 2018/09/23 09:00 | Lucas Renard v Isaksson, Melker | 6-4,6-4 |
| ITF Sweden F2 Qual | 2018/05/12 08:00 | Isaksson, Melker v Yitbarek, Simon | 2-6,1-6 |
| ITF Sweden F1 Qual | 2018/05/05 08:00 | Isaksson, Melker v Gustafsson, Carl | 3-6,4-6 |
| ITF Tunisia F26 | 2017/09/09 08:30 | Isaksson, Melker v Luca Giacomini | 1-6,0-6 |
| ITF Tunisia F25 | 2017/09/03 09:00 | Solberg, Christoffer v Isaksson, Melker | 6-4,6-1 |
| ITF Sweden F2 Qual | 2017/05/13 13:20 | Isaksson, Melker v Barros Troncoso, Marcelo Ignacio | 2-6,3-6 |
| ITF - M15 Monastir | 2019/02/27 08:30 | Hirschmueller, Christian v Pauwels, Maxime | 3-6,4-6 |
| ITF - M15 Monastir | 2019/02/25 12:00 | Clement Tabur v Hirschmueller, Christian | 4-6,3-6 |
| ITF - M15 Monastir | 2019/02/25 08:00 | Hirschmueller, Christian v Bayard, Damien | 6-4,2-6,12-10 |
| ITF Tunisia F45 | 2018/12/21 11:45 | Clement Tabur v Hirschmueller, Christian | 6-3,6-3 |
| ITF Tunisia F45 | 2018/12/20 09:50 | Lucas Poullain v Hirschmueller, Christian | 4-6,3-6 |
| ITF Tunisia F45 | 2018/12/18 08:00 | Hirschmueller, Christian v Miladinovic, Marko | 6-3,4-6,7-5 |
| ITF Tunisia F45 | 2018/12/17 08:30 | Hirschmueller, Christian v Flavio Cobolli | 6-3,6-1 |
| ITF Tunisia F45 | 2018/12/16 08:00 | Hirschmueller, Christian v Musset, Simon | 6-3,6-2 |