| Torneo Internacional de Portugal | 2022/03/12 16:15 | Fabian Roth v Yu Jen Chi | W | 0-2 |
| Torneo Internacional de Portugal | 2022/03/11 14:40 | Yu Jen Chi v Riku Hatano | W | 2-0 |
| Slovak Open | 2022/03/05 13:20 | Yu Jen Chi v Riku Hatano | L | 0-2 |
| Slovak Open | 2022/03/05 08:30 | Yu Jen Chi v Fabian Roth | W | 2-1 |
| Slovak Open | 2022/03/04 15:40 | Jiri Kral v Yu Jen Chi | W | 0-2 |
| Slovak Open | 2022/03/04 09:30 | Yu Jen Chi v Sacha Leveque | W | 2-0 |
| Thomas Cup | 2021/10/13 07:50 | Shesar Hiren Rhustavito v Yu Jen Chi | L | 2-1 |
| Thomas Cup | 2021/10/11 11:50 | Yu Jen Chi v Mohamed A Belarbi | W | 2-0 |
| Torneo Internacional de Portugal | 2022/03/12 16:15 | Tharun Mannepalli v Karan Rajan Rajarajan | W | 0-2 |
| Italia - International | 2021/12/18 15:20 | Alex Lanier v Karan Rajan Rajarajan | L | 2-0 |
| Italia - International | 2021/12/18 08:20 | Karan Rajan Rajarajan v Fabian Roth | W | 2-1 |
| Italia - International | 2021/12/17 18:00 | Karan Rajan Rajarajan v David K Kristensen | W | 2-1 |
| Italia - International | 2021/12/17 10:00 | Karan Rajan Rajarajan v Enrico Baroni | W | 2-0 |
| Open de Irlanda | 2021/11/18 17:45 | Joo Ven Soong v Karan Rajan Rajarajan | L | 2-0 |
| Open de Irlanda | 2021/11/18 11:45 | Karan Rajan Rajarajan v Magnus Johannesen | W | 2-1 |
| Polonia - International | 2021/09/24 12:00 | Karan Rajan Rajarajan v Chirag Sen | L | 0-2 |