Stadium: Center Round: 28 Ground: Hardcourt indoor
| Challenger Helsinki MD | 2019/11/14 15:10 | Nielsen F / Puetz T v Durasovic V / Poljak D | 7-6,6-4 |
| Challenger - Bratislava - Doubles Hommes | 2019/11/09 13:00 | Jebavy R / Zelenay I v Nielsen F / Puetz T | 6-4,6-7,9-11 |
| Challenger - Bratislava - Doubles Hommes | 2019/11/08 13:40 | Arneodo/Nys v Nielsen F / Puetz T | 7-6,5-7,7-10 |
| Challenger - Bratislava - Doubles Hommes | 2019/11/07 18:10 | Klein L / Molcan A v Nielsen F / Puetz T | 4-6,2-6 |
| Challenger - Bratislava - Doubles Hommes | 2019/11/06 09:00 | Skupski K / Smith J-P v Nielsen F / Puetz T | 6-7,6-7 |
| ATP Vienna MD | 2019/10/23 16:35 | Kontinen H / Peers J v Nielsen F / Puetz T | 6-2,6-3 |
| ATP Vienna MD | 2019/10/20 15:00 | Bambridge L / Mclachlan B v Nielsen F / Puetz T | 6-3,6-4 |
| ATP Vienna MD | 2019/10/19 16:00 | Hurkacz/Querrey v Nielsen F / Puetz T | 5-7,3-6 |
| Challenger Helsinki MD | 2019/11/14 16:25 | Heliovaara H / Niklas-Salminen P v Escoffier A / Petit G | 7-6,6-1 |
| Challenger Helsinki MD | 2019/11/13 17:30 | Drzewiecki/Walkow v Heliovaara H / Niklas-Salminen P | 4-6,3-6 |
| Playford City II, Australie, Doubles | 2019/11/03 00:30 | Gonzales R / King E v Heliovaara H / Niklas-Salminen P | 4-6,7-6,7-10 |
| Playford City II, Australie, Doubles | 2019/11/01 03:00 | Klein B / Puodziunas S v Heliovaara H / Niklas-Salminen P | 5-7,4-6 |
| Playford City II, Australie, Doubles | 2019/10/31 03:50 | Heliovaara H / Niklas-Salminen P v Ratiwatana S / Watanuki Y | 6-3,6-4 |
| Playford City II, Australie, Doubles | 2019/10/30 04:10 | Taylor A / Taylor J v Heliovaara H / Niklas-Salminen P | 4-6,2-6 |
| Challenger Tampere MD | 2019/07/27 09:00 | Arends S / Pel D v Heliovaara H / Niklas-Salminen P | 7-6,4-6,10-1 |
| Challenger Tampere MD | 2019/07/26 16:05 | Heliovaara H / Niklas-Salminen P v Kaukovalta/Vasa | 6-3,7-6 |