| Macau Open | 2018/11/01 10:00 | Guangzu Lu v Iskandar Zulkarnain | L | 2-0 |
| Macau Open | 2018/10/31 03:40 | Iskandar Zulkarnain v Yu Igarashi | W | 2-1 |
| Swiss Open WD Qual | 2018/09/19 10:40 | Krishna Adi Nugraha v Iskandar Zulkarnain | L | 2-1 |
| Indonesia Masters XD | 2018/05/23 14:00 | Jan O Jorgensen v Iskandar Zulkarnain | L | 2-1 |
| Indonesia Masters XD | 2018/05/22 07:30 | Iskandar Zulkarnain v Mohamed A Belarbi | W | 2-0 |
| Indonesia Masters XD | 2018/05/21 04:00 | Iskandar Zulkarnain v Rodion Alimov | W | 2-0 |
| China Masters | 2018/04/13 11:30 | Yu Hsien Lin v Iskandar Zulkarnain | L | 2-1 |
| China Masters | 2018/04/12 06:00 | Iskandar Zulkarnain v Hongyang Weng | W | 2-0 |
| Giraldilla Int. XD | 2018/11/24 13:00 | Rajiv Ouseph v Haichao Liu | W | 1-2 |
| Giraldilla Int. XD | 2018/11/23 18:30 | Haichao Liu v Lucas Claerbout | W | 2-1 |
| Giraldilla Int. XD | 2018/11/23 10:40 | Nick Fransman v Haichao Liu | W | 1-2 |
| Giraldilla Int. XD | 2018/11/22 14:40 | Haichao Liu v Pablo Abian | W | 2-0 |
| Giraldilla Int. XD | 2018/11/21 19:20 | Bernardo Atilano v Haichao Liu | W | 0-2 |
| Swiss Open WD Qual | 2018/11/21 14:18 | Phone Pyae Naing v Haichao Liu | W | 0-2 |
| Swiss Open WD Qual | 2018/11/21 11:55 | Haichao Liu v Dimitar Yanakiev | W | 2-1 |
| China Masters | 2018/04/11 11:20 | Haichao Liu v Pannawit Thongnuam | L | 1-2 |