| Welsh Int. | 2018/11/30 11:45 | Alex Lane v Kai Schaefer | L | 2-0 |
| Welsh Int. | 2018/11/29 13:30 | Joran Kweekel v Kai Schaefer | W | 1-2 |
| Scottish Open | 2018/11/23 11:20 | Mark Caljouw v Kai Schaefer | L | 2-0 |
| Scottish Open | 2018/11/22 13:20 | Christo Popov v Kai Schaefer | W | 1-2 |
| Scottish Open | 2018/11/21 18:00 | Joshua Magee v Kai Schaefer | W | 1-2 |
| Giraldilla Int. XD | 2018/10/31 16:20 | Kai Schaefer v Mark Caljouw | L | 0-2 |
| Giraldilla Int. XD | 2018/10/30 18:45 | David Kramer v Kai Schaefer | W | 0-2 |
| Czech Open | 2018/09/28 08:30 | Kai Schaefer v Subhankar Dey | L | 1-2 |
| Giraldilla Int. XD | 2018/12/21 01:00 | Jen Hao Hsu v Jason Anthony Ho-Shue | L | 2-0 |
| Scottish Open | 2018/11/22 14:40 | Jason Anthony Ho-Shue v Nick Fransman | L | 0-2 |
| Scottish Open | 2018/11/21 18:40 | Kean Yew Loh v Jason Anthony Ho-Shue | W | 1-2 |
| Giraldilla Int. XD | 2018/10/31 15:55 | Jason Anthony Ho-Shue v Rajiv Ouseph | L | 1-2 |
| Giraldilla Int. XD | 2018/10/30 18:45 | Pratul Joshi v Jason Anthony Ho-Shue | W | 0-2 |
| Czech Open | 2018/09/29 08:30 | Victor Svendsen v Jason Anthony Ho-Shue | L | 2-0 |
| World Championships | 2018/07/31 05:20 | Jason Anthony Ho-Shue v Tzu Wei Wang | L | 1-2 |
| Giraldilla Int. XD | 2018/07/25 02:10 | Minoru Koga v Jason Anthony Ho-Shue | L | 2-0 |