| Polish Int. | 2022/09/23 14:40 | Chih Chieh Yang v Haichao Liu | L | 2-1 |
| Polish Int. | 2022/09/22 13:40 | Collins Valentine Filimon v Haichao Liu | W | 1-2 |
| Malaysia Int. | 2019/11/12 08:25 | Haichao Liu v Christian Adinata | L | 1-2 |
| SaarLorLux Open | 2019/10/29 17:00 | Kiran George v Haichao Liu | L | 2-0 |
| Dutch Open | 2019/10/08 15:55 | Arnaud Merkle v Haichao Liu | L | 2-0 |
| Indonesia Masters | 2019/10/03 08:45 | Feixiang Sun v Haichao Liu | L | 2-1 |
| Indonesia Masters | 2019/10/02 10:20 | Handoko Yusuf Wijayanto v Haichao Liu | W | 1-2 |
| Indonesia Masters | 2019/10/01 10:50 | Shota Omoto v Haichao Liu | W | 1-2 |
| European Championships | 2022/04/26 09:30 | Markus Barth v Milan Dratva | L | 0-2 |
| Swedish Open | 2022/01/21 09:20 | Markus Barth v Daniil Dubovenko | L | 0-2 |
| Italian Int. Qual | 2021/12/16 19:05 | Markus Barth v Ludvig Petre Olsson | L | 0-2 |
| Italian Int. Qual | 2021/12/16 16:45 | Senne Houthoofd v Markus Barth | W | 0-2 |
| Italian Int. Qual | 2021/12/16 13:15 | Rasmus Careo Christensen v Markus Barth | W | 0-2 |
| Welsh Int Qual | 2021/12/01 10:10 | Markus Barth v Ben Hunt | L | 0-2 |
| Czech Open Qual | 2021/10/21 09:20 | Kilian Meusburger v Markus Barth | L | 2-1 |
| Bulgarian Int | 2021/10/08 12:00 | Markus Barth v Meiraba Luwang Maisnam | L | 0-2 |