Stadium: Court 6 Round: 166 Ground: Hardcourt outdoor
| Challenger Zhuhai | 2019/03/05 03:45 | Yunseong Chung v Harri Heliovaara | 7-5,6-2 |
| Challenger Zhuhai | 2019/03/04 02:00 | Harri Heliovaara v Haitong Xia | 6-1,6-4 |
| Challenger Champaign | 2018/11/13 16:00 | Harri Heliovaara v Mikael Torpegaard | 3-6,7-5,6-4 |
| Challenger Charlottesville | 2018/10/27 14:00 | Marcos Giron v Harri Heliovaara | 3-6,6-1,6-1 |
| Challenger Stockton | 2018/10/01 17:00 | Harri Heliovaara v Alexander Sarkissian | 6-4,4-6,4-6 |
| Challenger Stockton | 2018/09/30 19:35 | Harri Heliovaara v Sem Verbeek | 6-1,6-4 |
| Challenger Stockton | 2018/09/29 20:30 | Harri Heliovaara v Ruan Roelofse | 7-6,6-1 |
| Challenger Tiburon | 2018/09/22 21:55 | Renzo Olivo v Harri Heliovaara | 6-2,3-6,7-6 |
| Challenger Tashkent | 2018/10/06 08:20 | Frederico Ferreira Silva v Luca Margaroli | 6-1,6-1 |
| Challenger Almaty 2 | 2018/10/01 04:00 | Luca Margaroli v Antoine Escoffier | 3-6,2-6 |
| Challenger Almaty 2 | 2018/09/30 05:00 | Luca Margaroli v Vladyslav Manafov | 6-4,6-4 |
| Challenger Almaty 2 | 2018/09/29 04:00 | Tristan Lamasine v Luca Margaroli | 6-3,3-6,4-6 |
| Challenger Orleans | 2018/09/22 07:30 | Tak Khunn Wang v Luca Margaroli | 7-6,6-3 |
| ATP Gstaad Qual | 2018/07/21 08:30 | Yannick Hanfmann v Luca Margaroli | 6-4,6-2 |
| Challenger San Benedetto Qual | 2018/07/14 12:20 | Luca Margaroli v Pietro Rondoni | 1-6,6-3,3-6 |
| Challenger Marburg Qual | 2018/06/30 14:55 | Corentin Moutet v Luca Margaroli | 6-3,6-7,6-1 |