| Swedish Pro Series | 07/08 13:00 | - | Andersson, Harald v Elias Ranefur | L | 1-3 | |
| TT Star Series | 07/08 10:26 | - | Andersson, Harald v Esteban Dorr | W | 3-0 | |
| Swedish Pro Series | 07/08 09:00 | - | Doyen, Antoine v Andersson, Harald | W | 0-3 | |
| Swedish Pro Series | 07/07 13:30 | - | Casper Strindberg v Andersson, Harald | W | 0-3 | |
| Swedish Pro Series | 07/07 10:30 | - | Esteban Dorr v Andersson, Harald | W | 1-3 | |
| Swedish Pro Series | 07/07 09:00 | - | Alex Naumi v Andersson, Harald | W | 0-3 | |
| Swedish Pro Series | 07/06 13:30 | - | Elias Ranefur v Andersson, Harald | W | 1-3 | |
| Swedish Pro Series | 07/06 11:00 | - | Thor Christensen v Andersson, Harald | W | 0-3 | |
| Swedish Pro Series | 07/06 08:00 | - | Sebastian Loso v Andersson, Harald | W | 0-3 | |
| Swedish Pro Series | 05/27 12:30 | - | Esteban Dorr v Andersson, Harald | W | 2-3 | |
| Swedish Pro Series | 05/27 11:00 | - | Andersson, Harald v Thor Christensen | W | 3-0 | |
| Swedish Pro Series | 05/27 08:00 | - | Andersson, Harald v Thor Christensen | W | 3-0 | |
| Swedish Pro Series | 05/26 12:00 | - | Andersson, Harald v Percan Kindblad, Willhelm | W | 3-1 | |
| Swedish Pro Series | 05/26 10:00 | - | Andersson, Harald v Esteban Dorr | W | 3-0 | |
| Swedish Pro Series | 05/26 08:00 | - | Andersson, Harald v Ayuso, Angel | W | 3-0 | |
| Swedish Pro Series | 05/25 12:00 | - | Andersson, Harald v Andersen, Martin | W | 3-1 | |
| Swedish Pro Series | 05/25 10:00 | - | Andersson, Harald v Tobias Rasmussen | L | 2-3 | |
| Swedish Pro Series | 05/25 08:00 | - | Andersson, Harald v Tran, Anthony | W | 3-2 | |
| Swedish Open (WTP) 2019, MS, Qualification | 10/01 07:30 | - | Mudit Dani v Andersson, Harald | W | 0-4 | |
| Qatar Open XD | 10/30 16:50 | - | Andersson, Harald v Chuqin Wang | L | 2-4 | |
| Qatar Open XD | 11/13 16:00 | 1 | Andersson, Harald v Gyeongtae Park | W | 4-3 | |
| Qatar Open XD | 08/16 12:50 | 1 | Yukiya Uda v Andersson, Harald | L | 4-1 | |
| Qatar Open XD | 08/15 15:20 | 1 | Andersson, Harald v Ivanov, Daniel | W | 4-0 | |
| Swedish Open (WTP) 2019, MS, Qualification | 11/18 12:00 | 6 | Andersson, Harald v Liam Pitchford | L | 2-4 | |
| Qatar Open XD | 11/17 12:25 | - | Andersson, Harald v Adam Szudi | W | 4-0 | |
| Qatar Open XD | 11/16 17:33 | - | Andersson, Harald v Aliaksandr Khanin | W | 4-2 | |
| Qatar Open 2019, MS | 09/24 10:53 | - | Andersson, Harald v Sathiyan Gnanasekaran | L | 3-4 | |
| Qatar Open 2019, MS | 09/23 20:03 | - | Salifou, Abdel-Kader v Andersson, Harald | W | 3-4 | |
| Qatar Open 2019, MS | 09/02 11:15 | 6 | Seungmin Cho v Andersson, Harald | L | 4-1 |