| Odisha Masters | 12/12 13:45 | 6 | Aggarwal, Harshit v Georges Julien Paul | - | away | |
| Guwahati Masters | 12/06 02:30 | 6 | Saneeth Dayanand Shimoga v Aggarwal, Harshit | L | 2-1 | |
| Abu Dhabi Masters | 10/18 08:00 | 6 | Aggarwal, Harshit v Karan Rajan Rajarajan | - | away | |
| Arctic Open Qual | 10/10 08:10 | 3 | Aggarwal, Harshit v Joakim Oldorff | L | 0-2 | |
| Arctic Open Qual | 10/10 07:20 | 4 | Aggarwal, Harshit v Torjussen, J. | - | Walkover | |
| Polish Int. | 09/22 14:20 | - | Pranay Shettigar v Aggarwal, Harshit | L | 2-0 | |
| Polish Int. | 09/22 10:20 | - | Bruno Carvalho v Aggarwal, Harshit | W | 0-2 | |
| Belgian International 2019, MS | 09/14 09:00 | - | Mads Christophersen v Aggarwal, Harshit | L | 2-0 | |
| Korea Open 2019, MS, Qualification | 07/18 04:55 | - | Pyeong Gang Choi v Aggarwal, Harshit | L | 2-1 | |
| Korea Open 2019, MS, Qualification | 07/18 01:00 | - | Jia Jie Tan v Aggarwal, Harshit | W | 0-2 | |
| Thailand Open 2019, MS, Qualification | 05/30 06:55 | - | Yu Jen Chi v Aggarwal, Harshit | L | 2-0 | |
| Slovenia Open Quals | 05/18 14:00 | - | Aggarwal, Harshit v Dicky Dwi Pangestu | L | 0-2 | |
| Slovenia Open Quals | 05/18 08:40 | - | Tarun Reddy Katam v Aggarwal, Harshit | W | 1-2 | |
| Slovenia Open Quals | 05/17 17:40 | - | Ivancic, Jaka v Aggarwal, Harshit | W | 0-2 | |
| Open de Pologne | 03/24 14:00 | - | Kalle Koljonen v Aggarwal, Harshit | L | 2-1 | |
| International du Portugal | 03/10 13:15 | - | Aria Dinata v Aggarwal, Harshit | L | 2-0 | |
| Uganda Int. | 02/23 07:00 | - | Aggarwal, Harshit v Ken Yon Ong | L | 0-2 | |
| Vietnam Open | 09/29 08:30 | 4 | Aggarwal, Harshit v Kodai Naraoka | L | 0-2 | |
| Vietnam Open | 09/28 07:25 | 5 | Aggarwal, Harshit v Munkhbat, Batdavaa | W | 2-0 | |
| Nantes Int. Qual | 06/23 09:20 | - | Aggarwal, Harshit v Belawa, Syabda Perkasa | L | 0-2 | |
| Austrian Open | 05/27 09:30 | - | Chia Hao Lee v Aggarwal, Harshit | L | 2-1 | |
| Slovenia Int. | 05/20 14:20 | - | Aggarwal, Harshit v Lin, Kuan-Ting | L | 0-2 | |
| Slovenia Int. | 05/20 07:40 | - | Aggarwal, Harshit v Jason Gunawan | W | 2-1 | |
| Slovenia Int. | 05/18 07:50 | - | Aggarwal, Harshit v Wolfgang Gnedt | W | 2-1 | |
| Open de Suède | 01/21 12:00 | - | Daniil Dubovenko v Aggarwal, Harshit | L | 2-1 | |
| Open de Suède | 01/21 09:45 | - | Mads Juel Moller v Aggarwal, Harshit | W | 0-2 | |
| Estonie Int. - | 01/15 14:20 | - | Aggarwal, Harshit v Alex Lanier | L | 0-2 | |
| Estonie Int. - | 01/15 08:20 | - | Korakrit Laotrakul v Aggarwal, Harshit | W | 0-2 | |
| Estonie Int. - | 01/14 11:40 | - | Joonas Korhonen v Aggarwal, Harshit | W | 1-2 | |
| Estonie Int. - | 01/14 09:20 | - | Aggarwal, Harshit v Anuoluwapo Opeyori | W | 2-0 |