| Slovenia Future Series | 2019/11/22 10:45 | Krapez, Andraz v Opti, Soren | L | 2-0 |
| Dutch Open (GP) 2017, Qualification | 2019/10/08 09:10 | Arnaud Merkle v Opti, Soren | L | 2-0 |
| Pan Am Championships | 2019/04/25 14:30 | Opti, Soren v Cabrera, William | L | 1-2 |
| Giraldilla Int. XD | 2018/03/01 16:00 | Opti, Soren v Subauste Tokumura, Diego | W | 2-1 |
| Giraldilla Int. XD | 2016/10/28 21:15 | Strobl, Kevin v Opti, Soren | L | 2-0 |
| Giraldilla Int. XD | 2016/10/27 20:06 | Opti, Soren v Javier, Nelson | W | 2-1 |
| Giraldilla Int. XD | 2016/10/25 21:33 | Opti, Soren v Bryan A Castro | W | 2-0 |
| Croatia Int. Qual | 2023/09/28 08:10 | Justin Seibel v Arun Kumar Ashok Kumar | L | 2-1 |
| Polish Int. Qual | 2023/09/21 10:20 | Kai Niederhuber v Arun Kumar Ashok Kumar | L | 2-0 |
| Slovenia Future Series Qual | 2023/09/07 12:40 | Patrick Zbinden v Arun Kumar Ashok Kumar | L | 2-0 |
| Slovenia Future Series Qual | 2023/09/07 08:00 | Andre Irpola v Arun Kumar Ashok Kumar | W | 0-2 |
| Latvia Int. Qual | 2023/08/31 08:30 | Ananda Daniswara v Arun Kumar Ashok Kumar | L | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/04/12 07:35 | Phone Pyae Naing v Arun Kumar Ashok Kumar | L | 2-1 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/04/05 12:50 | Arun Kumar Ashok Kumar v Burestedt, Felix | L | 0-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/04/05 10:10 | Arun Kumar Ashok Kumar v Xanthou, Ilias | W | 2-1 |