| 盧森堡公開賽資格賽 | 05/02 15:15 | - | Valentin Singer v Tushar Suveer | L | 0-2 | |
| 盧森堡公開賽資格賽 | 05/02 09:25 | - | Valentin Singer v Abhishek Kanapala | W | 2-0 | |
| 芬蘭國際賽 | 04/27 07:20 | - | 沖本優大 v Valentin Singer | L | 2-1 | |
| 芬蘭國際賽 | 04/26 14:45 | - | Valentin Singer v Tauri Kilk | W | 2-1 | |
| 芬蘭國際賽 | 04/26 08:20 | - | Valentin Singer v Tim Mörk | W | 2-0 | |
| 馬耳他國際賽 | 04/07 08:40 | - | 沃爾夫岡 Gnedt v Valentin Singer | L | 2-0 | |
| 馬耳他國際賽 | 04/06 14:30 | - | 埃利亞斯•拉克 v Valentin Singer | W | 0-2 | |
| 馬耳他國際賽 | 04/06 10:45 | - | Amaury Lievre v Valentin Singer | W | 0-2 | |
| 馬耳他國際賽 | 04/05 13:00 | - | Michael Tomic v Valentin Singer | W | 0-2 | |
| 愛沙尼亞國際賽 | 01/12 14:40 | - | Valentin Singer v Joakim Oldorff | L | 0-2 | |
| 愛沙尼亞國際賽 | 01/12 09:00 | - | 塞繆爾·奧布萊恩特 Ricketts v Valentin Singer | - | Walkover | |
| 威爾士國際賽 | 11/30 10:00 | - | Valentin Singer v 阿德•雷斯基•德威卡約 | L | 1-2 | |
| 威爾士國際賽資格賽 | 11/28 13:40 | - | 卡勒姆•史密斯 v Valentin Singer | - | View | |
| 愛爾蘭公開賽 | 11/16 14:00 | - | Valentin Singer v Harry Huang | L | 1-2 | |
| 愛爾蘭公開賽 | 11/16 11:00 | - | Valentin Singer v Matthias Kicklitz | - | View | |
| 匈牙利國際賽 | 11/02 12:45 | - | Valentin Singer v Kian-Yu Oei | L | 1-2 | |
| 捷克公開賽 | 10/20 15:30 | - | Valentin Singer v Gustav Bjorkler | L | 0-2 | |
| 捷克公開賽 | 10/20 07:40 | - | Valentin Singer v 伊森•羅斯 | - | Walkover | |
| 克羅地亞國際賽 | 09/30 08:20 | - | Aria Dinata v Valentin Singer | L | 2-0 | |
| 克羅地亞國際賽 | 09/29 16:50 | - | Karl Kert v Valentin Singer | W | 0-2 | |
| 克羅地亞國際賽 | 09/29 10:20 | - | 大衛•席爾瓦 v Valentin Singer | W | 0-2 | |
| 比利時國際賽 | 09/14 10:40 | - | 朱利安•卡拉吉 v Valentin Singer | L | 2-0 | |
| 拉脫維亞國際賽 | 09/03 06:20 | - | Daniil Dubovenko v Valentin Singer | L | 2-1 | |
| 拉脫維亞國際賽 | 09/02 12:20 | - | Kian-Yu Oei v Valentin Singer | W | 1-2 | |
| 拉脫維亞國際賽 | 09/02 07:10 | - | Tauri Kilk v Valentin Singer | W | 1-2 | |
| 拉脫維亞國際賽 | 09/01 12:30 | - | Viacheslav Yakovlev v Valentin Singer | W | 0-2 | |
| 新阿基坦未來系列賽 | 07/07 12:40 | - | Valentin Singer v 托馬斯•福卡德 | L | 0-2 | |
| 新阿基坦未來系列賽 | 07/07 08:45 | - | Valentin Singer v Gustav Bjorkler | W | 2-0 | |
| 南特國際賽資格賽 | 06/15 10:20 | - | Collins Valentine Filimon v Valentin Singer | L | 2-1 | |
| 立陶宛國際賽 | 06/09 13:15 | - | Henrikho Kho Wibowo v Valentin Singer | L | 2-1 |