Stadium: Court 14 Round: 44 Ground: Hardcourt outdoor
| ITF M25 - Falun | 2023/09/26 12:00 | Adam Heinonen v Evgeny Karlovskiy | 6-7,1-6 |
| ITF M25 - Falun | 2023/09/25 08:00 | Adam Heinonen v Jack Karlsson Winstrand | 6-1,6-3 |
| ITF M25 - Falun | 2023/09/24 07:55 | Adam Heinonen v Linus Videhult | 6-3,6-3 |
| ITF M15 - Danderyd | 2023/09/19 12:00 | Adam Heinonen v Jakob Schnaitter | 2-6,2-6 |
| ITF M25 - Ystad | 2023/08/15 12:25 | Marvin Moeller v Adam Heinonen | 6-2,6-7,7-5 |
| ITF M15 - Hyvinkaa | 2023/08/04 09:00 | Adam Heinonen v Leonardo Rossi | 4-6,3-6 |
| ITF M15 - Hyvinkaa | 2023/08/02 15:00 | Adam Heinonen v Niccolo Catini | 6-1,6-2 |
| ITF M15 - Hyvinkaa | 2023/08/01 07:00 | Adam Heinonen v Robin Erik Parts | 6-2,4-6,10-5 |
| ITF M15 - Heraklion | 2023/10/16 06:30 | Graham Maassen v Ki Lung NG | 2-6,4-6 |
| ITF M15 - Monastir | 2023/10/09 08:00 | Jack Loge v Ki Lung NG | 6-2,6-3 |
| ITF M15 - Monastir | 2023/10/08 08:00 | Ki Lung NG v Matei Cristian Onofrei | 3-6,6-2,10-2 |
| ITF M15 - Monastir | 2023/10/01 10:00 | Ki Lung NG v Nazim Makhlouf | 6-4,6-3 |
| Davis Cup | 2023/09/17 08:15 | Ki Lung NG v Daniel Tens | 7-5,6-2 |
| ITF M25 - HongKong | 2023/09/07 06:20 | Blake Mott v Ki Lung NG | 6-2,6-2 |
| ITF M25 - HongKong | 2023/09/06 02:00 | Ki Lung NG v Tsung-Hao Huang | 6-4,7-5 |
| ITF M25 - HongKong | 2023/08/29 03:40 | Ki Lung NG v Takuya Kumasaka | 6-4,0-6,1-6 |