| Portugal Int. - kvalifikace | 2022/03/11 10:00 | Riku Hatano v Sai Charan Koya | L | 2-1 |
| Portugal Int. - kvalifikace | 2022/03/10 16:10 | Sai Charan Koya v Danny Robson | W | 2-0 |
| Portugal Int. - kvalifikace | 2022/03/10 09:30 | David Silva v Sai Charan Koya | W | 0-2 |
| Odisha Open - kvalifikace | 2022/01/25 08:50 | Sai Vishnu Pullela v Sai Charan Koya | L | 2-1 |
| Ukraine Int. | 2021/09/07 11:20 | Julien Scheiwiller v Sai Charan Koya | W | 1-2 |
| Swiss Open - čtyřhra ženy - kvalifikace | 2018/09/04 06:25 | Sai Charan Koya v Siddharth | L | 1-2 |
| Giraldilla Int. XD | 2017/01/24 05:13 | Sai Charan Koya v Dhruv Kumar | L | 1-2 |
| Portugal Int. | 2022/03/13 16:00 | Karan Rajan Rajarajan v Andi Fadel Muhammad | L | 0-2 |
| Portugal Int. | 2022/03/13 10:00 | Yu Jen Chi v Karan Rajan Rajarajan | W | 0-2 |
| Portugal Int. | 2022/03/12 16:15 | Tharun Mannepalli v Karan Rajan Rajarajan | W | 0-2 |
| Italian International | 2021/12/18 15:20 | Alex Lanier v Karan Rajan Rajarajan | L | 2-0 |
| Italian International | 2021/12/18 08:20 | Karan Rajan Rajarajan v Fabian Roth | W | 2-1 |
| Italian International | 2021/12/17 18:00 | Karan Rajan Rajarajan v David K Kristensen | W | 2-1 |
| Italian International | 2021/12/17 10:00 | Karan Rajan Rajarajan v Enrico Baroni | W | 2-0 |
| Irish Open | 2021/11/18 17:45 | Joo Ven Soong v Karan Rajan Rajarajan | L | 2-0 |