| Hungarian Int. | 2021/11/05 15:20 | 예오, 셍 조 v S.K. Karunakaran | W | 0-2 |
| Hungarian Int. | 2021/11/05 09:00 | 루세브, 이반 v S.K. Karunakaran | W | 0-2 |
| Hungarian Int. | 2021/11/04 12:20 | 코헤넨, 주나스 v S.K. Karunakaran | W | 0-2 |
| Belgian International 2019, MS | 2021/10/28 08:45 | 하타노, 리쿠 v S.K. Karunakaran | L | 2-0 |
| Ukraine Int. | 2021/09/10 14:40 | S.K. Karunakaran v Priyanshu Rajawat | L | 0-2 |
| Ukraine Int. | 2021/09/10 06:55 | Ken Yon Ong v S.K. Karunakaran | W | 1-2 |
| Ukraine Int. | 2021/09/09 14:20 | Teh, Jia Heng Jason v S.K. Karunakaran | W | 1-2 |
| Ukraine Int. | 2021/09/09 07:40 | 루세브, 이반 v S.K. Karunakaran | W | 1-2 |
| Hungarian Int. | 2021/11/05 15:20 | 로갈스키, 미첼 v Roth, Fabian | W | 1-2 |
| Hungarian Int. | 2021/11/05 10:30 | Roth, Fabian v Karunaratna, D. | W | 2-0 |
| Hungarian Int. | 2021/11/04 12:20 | 루다, 얀 v Roth, Fabian | W | 1-2 |
| Czech Open Qual | 2021/10/21 10:30 | Roth, Fabian v 올슨, 루드비히 페트레 | W | 2-1 |
| Thomas Cup | 2021/10/13 17:40 | Roth, Fabian v 머클, 아르나우드 | L | 1-2 |
| Thomas Cup | 2021/10/11 17:40 | 젬케, 라스무스 v Roth, Fabian | W | 0-2 |
| Thomas Cup | 2021/10/09 17:40 | 김, 동훈(1993) v Roth, Fabian | W | 1-2 |
| Sudirman Cup | 2021/09/28 07:30 | 초우, 티엔첸 v Roth, Fabian | L | 2-1 |