Stadium: Center Round: 28 Ground: Hardcourt indoor
| Challenger Helsinki - Herredouble | 2019/11/14 15:10 | Nielsen/Puetz v Durasovic/Poljak | 7-6,6-4 |
| Challenger Bratislava - Herredouble | 2019/11/09 13:00 | Jebavy/Zelenay v Nielsen/Puetz | 6-4,6-7,9-11 |
| Challenger Bratislava - Herredouble | 2019/11/08 13:40 | Arneodo/Nys v Nielsen/Puetz | 7-6,5-7,7-10 |
| Challenger Bratislava - Herredouble | 2019/11/07 18:10 | Klein/Molcan v Nielsen/Puetz | 4-6,2-6 |
| Challenger Bratislava - Herredouble | 2019/11/06 09:00 | Skupski/Smith v Nielsen/Puetz | 6-7,6-7 |
| ATP Wien - Herredouble | 2019/10/23 16:35 | Kontinen/Peers v Nielsen/Puetz | 6-2,6-3 |
| ATP Wien - Herredouble | 2019/10/20 15:00 | Bambridge/Mclachlan v Nielsen/Puetz | 6-3,6-4 |
| ATP Wien - Herredouble | 2019/10/19 16:00 | Hurkacz/Querrey v Nielsen/Puetz | 5-7,3-6 |
| Challenger Helsinki - Herredouble | 2019/11/14 16:25 | Heliovaara/Niklas-Salminen v Escoffier/Petit | 7-6,6-1 |
| Challenger Helsinki - Herredouble | 2019/11/13 17:30 | Drzewiecki/Walkow v Heliovaara/Niklas-Salminen | 4-6,3-6 |
| Challenger Playford 2 MD | 2019/11/03 00:30 | Gonzales/King v Heliovaara/Niklas-Salminen | 4-6,7-6,7-10 |
| Challenger Playford 2 MD | 2019/11/01 03:00 | Klein/Puodziunas v Heliovaara/Niklas-Salminen | 5-7,4-6 |
| Challenger Playford 2 MD | 2019/10/31 03:50 | Heliovaara/Niklas-Salminen v Ratiwatana/Watanuki | 6-3,6-4 |
| Challenger Playford 2 MD | 2019/10/30 04:10 | Taylor/Taylor v Heliovaara/Niklas-Salminen | 4-6,2-6 |
| Challenger Tampere - Herredouble | 2019/07/27 09:00 | Arends/Pel v Heliovaara/Niklas-Salminen | 7-6,4-6,10-1 |
| Challenger Tampere - Herredouble | 2019/07/26 16:05 | Heliovaara/Niklas-Salminen v Kaukovalta/Vasa | 6-3,7-6 |