| Open de Suisse - Doubles Femmes - Qualif. | 2019/01/22 07:00 | Shesar Hiren Rhustavito v Zulkarnain, I. | L | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/01/22 03:00 | Zulkarnain, I. v Belawa, Syabda Perkasa | W | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/01/15 09:00 | Saensomboonsuk, Tanongsak v Zulkarnain, I. | L | 2-1 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/01/15 03:50 | Zulkarnain, I. v Chico Aura Dwi Wardoyo | W | 2-0 |
| Macau Open 2019, MS | 2018/11/01 10:00 | Lu, G. Z. v Zulkarnain, I. | L | 2-0 |
| Macau Open 2019, MS | 2018/10/31 03:40 | Zulkarnain, I. v Igarashi, Yu | W | 2-1 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/09/19 10:40 | Krishna Adi Nugraha v Zulkarnain, I. | L | 2-1 |
| Indonesia Masters XD | 2018/05/23 14:00 | Joergensen, J. O. v Zulkarnain, I. | L | 2-1 |
| Giraldilla Int. XD | 2019/02/16 10:30 | Kai Schaefer v Malkov, Vladimir | W | 1-2 |
| Giraldilla Int. XD | 2019/02/15 13:30 | Malkov, Vladimir v Magee, Joshua | W | 2-0 |
| Giraldilla Int. XD | 2019/02/14 13:30 | Malkov, Vladimir v Max Weisskirchen | W | 2-0 |
| Giraldilla Int. XD | 2019/02/13 13:30 | Toby Penty v Malkov, Vladimir | L | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/01/15 03:00 | Malkov, Vladimir v Corvee, Lucas | W | 2-1 |
| Masters de Thaïlande | 2019/01/09 04:40 | Cheuk Yiu Lee v Malkov, Vladimir | L | 2-1 |
| Macau Open 2019, MS | 2018/10/31 07:40 | Zhou, Z. Q. v Malkov, Vladimir | L | 2-0 |
| Giraldilla Int. XD | 2018/08/30 14:20 | Malkov, Vladimir v Jayaram, Ajay | L | 0-2 |