| Malaysia Masters 2020, MS, Qualification | 05/21 06:05 | - | 로스타비토, 셰자르 히린 v S.K. Karunakaran | L | 2-1 | |
| Malaysia Masters 2020, MS, Qualification | 05/21 02:40 | 4 | 치엄 , 준 웨이 v S.K. Karunakaran | W | 0-2 | |
| Thailand Open | 05/15 11:45 | 5 | Jason Gunawan v S.K. Karunakaran | L | 2-0 | |
| Spain Masters | 03/27 10:45 | 5 | S.K. Karunakaran v Teh, Jia Heng Jason | L | 0-2 | |
| Swiss Open Qual | 03/19 13:45 | - | Jeon, Hyeok Jin v S.K. Karunakaran | L | 2-1 | |
| Swiss Open Qual | 03/19 10:10 | 4 | 칸주라 아르티가, 우리엘 프랑시스코 v S.K. Karunakaran | W | 0-2 | |
| Orleans Masters | 03/14 15:45 | 4 | Tanaka, Yushi v S.K. Karunakaran | L | 2-0 | |
| Orleans Masters | 03/13 16:50 | 5 | S.K. Karunakaran v 조지, 키란 | W | 2-1 | |
| German Open | 02/29 12:45 | 4 | S.K. Karunakaran v 누엔, 낫 | L | 0-2 | |
| German Open | 02/28 10:15 | 5 | S.K. Karunakaran v 질베르만 미샤 | W | 2-1 | |
| Azerbaijan Int. | 02/09 09:00 | - | S.K. Karunakaran v 페널버, 루이스 엔리케 | L | 0-2 | |
| India Open | 01/17 13:25 | 5 | 오바야시, 타쿠마 v S.K. Karunakaran | L | 2-0 | |
| Odisha Masters | 12/17 08:50 | 1 | Ayush Shetty v S.K. Karunakaran | W | 1-2 | |
| Odisha Masters | 12/16 07:30 | 2 | S.K. Karunakaran v 조지, 키란 | W | 2-0 | |
| Odisha Masters | 12/15 11:20 | 3 | S.K. Karunakaran v 센, 치라그 | W | 2-0 | |
| Odisha Masters | 12/14 07:15 | 4 | Daniil Dubovenko v S.K. Karunakaran | W | 0-2 | |
| Odisha Masters | 12/13 11:45 | 5 | 다니, 하르시엘 v S.K. Karunakaran | W | 1-2 | |
| Guwahati Masters | 12/05 11:15 | 6 | S.K. Karunakaran v 성, 주 벤 | L | 1-2 | |
| Syed Modi India Int. | 11/30 10:20 | - | S.K. Karunakaran v Priyanshu Rajawat | - | away | |
| Syed Modi India Int. | 11/29 07:25 | 5 | S.K. Karunakaran v 황, 유 카이 | W | 2-0 | |
| Abu Dhabi Masters | 10/20 11:20 | 3 | S.K. Karunakaran v 칼주우, 마크 | L | 1-2 | |
| Abu Dhabi Masters | 10/19 13:05 | 4 | S.K. Karunakaran v Rithvik S Satish Kumar | W | 2-0 | |
| Abu Dhabi Masters | 10/18 12:55 | 5 | 만주나스, 미툰 v S.K. Karunakaran | W | 1-2 | |
| Abu Dhabi Masters | 10/18 06:40 | 6 | Hsiao, Samuel v S.K. Karunakaran | W | 0-2 | |
| Kaohsiung Masters | 09/29 06:45 | 3 | Tanaka, Yushi v S.K. Karunakaran | L | 2-0 | |
| Kaohsiung Masters | 09/28 07:30 | 4 | S.K. Karunakaran v 오바야시, 타쿠마 | W | 2-0 | |
| Kaohsiung Masters | 09/27 06:30 | 5 | S.K. Karunakaran v 류, 웨이 치 | W | 2-1 | |
| Kaohsiung Masters | 09/26 11:20 | 6 | S.K. Karunakaran v Koo Takahashi | W | 2-0 | |
| Vietnam Open | 09/13 03:15 | 5 | Yu Huang v S.K. Karunakaran | L | 2-0 | |
| Vietnam Open | 09/12 13:30 | 6 | S.K. Karunakaran v Arunesh Hari | W | 2-0 |