| Welsh Int. Qual | 2019/11/28 10:00 | Klauer, Christopher v Alvaro Vazquez | L | 0-2 |
| Welsh Int. Qual | 2019/11/27 14:30 | Klauer, Christopher v Pearce, Luke | W | 2-0 |
| Welsh Int. Qual | 2019/11/27 11:00 | Klauer, Christopher v Quek, Ryan Jing | W | 2-0 |
| SaarLorLux Open 2019, MS | 2019/10/30 16:00 | Klauer, Christopher v Joran Kweekel | L | 0-2 |
| SaarLorLux Open 2019, MS, Qualification | 2019/10/29 12:00 | Mund, Tobias v Klauer, Christopher | W | 0-2 |
| Hatzor Int | 2019/10/26 07:40 | Klauer, Christopher v Hammes, Felix | L | 0-2 |
| Hatzor Int | 2019/10/25 13:00 | Matthew Abela v Klauer, Christopher | W | 0-2 |
| Hatzor Int | 2019/10/24 12:00 | Klauer, Christopher v Sames, Mark | W | 2-1 |
| Macau Open 2019, MS, Qualification | 2019/10/29 03:50 | Ren, P. B. v Mann, Robert | L | 2-0 |
| Macau Open 2019, MS, Qualification | 2019/10/29 01:40 | Mann, Robert v Chun, K. L. | W | 2-0 |
| Int. Mexicano | 2019/09/19 16:30 | Mann, Robert v Gracia, Jose Manuel | W | 2-0 |
| Belgian Int. Qual | 2019/09/11 09:40 | Mann, Robert v Christensen, Jeppe Bruun | L | 0-2 |
| Azerbaïdjan Int. - Qualif. | 2019/06/06 05:30 | Mann, Robert v Brian Yang | L | 0-2 |
| Slovenia Int. Qual | 2019/05/15 09:30 | Alap Mishra v Mann, Robert | L | 2-0 |
| Giraldilla Int. XD | 2019/03/14 14:00 | Mann, Robert v Valdes Perez, Daniel | W | 2-0 |
| Jamaica Int. | 2019/03/07 15:30 | Waller, Nicholas Robert Henson v Mann, Robert | L | 2-0 |