Stadium: Court 2 Round: 166 Ground: Hardcourt outdoor
| 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 |
| Davis Cup | 2018/09/15 09:40 | Mohamed Safwat v Harri Heliovaara | 6-2,6-4 |
| Davis Cup | 2018/09/14 11:25 | Karim-Mohamed Maamoun v Harri Heliovaara | 3-6,2-6 |
| ITF M15 Anning | 2019/01/09 02:00 | Haitong Xia v Shao-Fan Liu | 3-6,7-6,4-6 |
| ITF M15 Anning | 2019/01/03 04:15 | Cing-Yang Meng v Haitong Xia | 6-0,6-1 |
| ITF M15 Anning | 2019/01/02 07:05 | Haitong Xia v Sora Fukuda | 6-4,3-6,6-3 |
| ITF M15 Anning | 2018/12/31 08:00 | Haitong Xia v Bang Shuo Yin | 6-4,6-3 |
| ITF M15 Anning | 2018/12/31 01:30 | Chenhe Li v Haitong Xia | 0-6,2-6 |
| Challenger Shenzhen 2 | 2018/10/29 02:30 | Goncalo Oliveira v Haitong Xia | 6-2,6-1 |
| Challenger Shenzhen 2 | 2018/10/28 02:30 | Michael Zhu v Haitong Xia | 3-6,3-6 |
| Challenger Shenzhen 2 | 2018/10/27 04:35 | Haitong Xia v Sergey Betov | 7-6,5-7,6-1 |