| Open di Svizzera DF - Qual. | 2018/09/12 08:00 | Niels Veenstra v Toby Leung | W | 2-0 |
| Open d'Olanda | 2016/10/12 11:55 | Anders Antonsen v Niels Veenstra | L | 2-0 |
| Giraldilla International DX | 2016/09/14 09:19 | David King v Niels Veenstra | L | 2-0 |
| Open di Polonia - Qual. | 2022/03/24 12:30 | Nicolai Condratiuc v Bartosz Krajewski | L | 0-2 |
| Internazionali d'Italia - Qual. | 2021/12/16 09:45 | Tonni Zhou v Nicolai Condratiuc | L | 2-0 |
| Bulgarian Int Qual | 2021/10/07 07:30 | Ragnar Sepp v Nicolai Condratiuc | L | 2-0 |
| Open d'Austria - Qual. | 2020/02/19 14:15 | Nicolai Condratiuc v Uriel F C Artiga | L | 0-2 |
| Hellas International - Qual. | 2019/05/02 11:00 | Petros Tentas v Nicolai Condratiuc | L | 2-0 |
| Open di Svizzera DF - Qual. | 2018/08/29 08:00 | Nicolai Condratiuc v Artem Tkachuk | L | 0-2 |