| Asia Championships XD | 04/10 14:00 | 5 | Karunakaran/Variyath v Lee C H R / Ng T Y | L | 0-2 | |
| Spain Masters XD | 03/27 15:20 | 5 | 라이벌디 R / 멘타리 P H v Karunakaran/Variyath | L | 2-0 | |
| Swiss Open XD | 03/21 18:20 | 4 | Chen/Toh v Karunakaran/Variyath | L | 2-0 | |
| Swiss Open XD | 03/20 16:25 | 5 | Yap/Siow v Karunakaran/Variyath | W | 1-2 | |
| Orleans Masters XD | 03/14 11:40 | 4 | Karunakaran/Variyath v Chen K-Y / Hsu J | L | 1-2 | |
| Orleans Masters XD | 03/13 09:55 | 5 | 셰이엘 P / 볼크만 F v Karunakaran/Variyath | W | 0-2 | |
| German Open XD | 02/28 17:30 | 5 | 탕 C M / TSE Y S v Karunakaran/Variyath | L | 2-0 | |
| Uganda Int. XD | 02/25 09:00 | - | Karunakaran/Variyath v Choo/Somerville | W | 2-1 | |
| Azerbaijan Int. XD | 02/11 12:20 | - | Reddy/Reddy v Karunakaran/Variyath | W | 1-2 | |
| Azerbaijan Int. XD | 02/11 06:20 | - | Titov/Kantemyr v Karunakaran/Variyath | W | 0-2 | |
| Azerbaijan Int. XD | 02/10 13:00 | - | Kis-Kasza/Sandorhazi v Karunakaran/Variyath | W | 0-2 | |
| Azerbaijan Int. XD | 02/10 05:40 | - | Kuswanto Kuswanto/Parol v Karunakaran/Variyath | W | 0-2 | |
| Odisha Masters XD | 12/13 06:00 | 5 | Kapila/Crasto v Karunakaran/Variyath | L | 2-1 | |
| Guwahati Masters XD | 12/06 04:35 | 5 | Karunakaran/Variyath v Konthoujam/Konjengbam | L | 1-2 | |
| Syed Modi India Int. XD | 11/28 13:25 | 5 | 야마시타 K / 시모야 N v Karunakaran/Variyath | L | 2-0 | |
| Abu Dhabi Masters XD | 10/19 10:05 | 4 | Oupthong/Sudjaipraparat v Karunakaran/Variyath | L | 2-0 | |
| Vietnam Open XD | 09/14 06:10 | 4 | Isfahani/Islami v Karunakaran/Variyath | L | 2-0 | |
| Vietnam Open XD | 09/13 09:10 | 5 | Ting/Gan v Karunakaran/Variyath | W | 0-2 | |
| Vietnam Open (WT) 2019, XD, Qualification | 09/12 01:30 | 4 | Nguyen L K / Nguyen P D V v Karunakaran/Variyath | W | 0-2 |