| Challenger San Benedetto | 07/25 20:10 | 25 | [232] Matteo Arnaldi v Nicolas Kicker [218] | Retired | |
| Challenger Tampere | 07/21 11:25 | 26 | [257] Frederico Ferreira Silva v Nicolas Kicker [188] | 7-6,7-5 | |
| Challenger Tampere | 07/19 14:30 | 25 | [188] Nicolas Kicker v Alessandro Giannessi [206] | 6-4,6-3 | |
| Challenger Amersfoort | 07/12 14:35 | 25 | [481] Tristan Lamasine v Nicolas Kicker [192] | 7-6,5-7,6-3 | |
| Challenger Amersfoort | 07/12 08:00 | 25 | Maximilian Marterer v Nicolas Kicker | CANC | |
| Challenger Todi | 07/10 19:00 | 29 | [120] Pedro Cachin v Nicolas Kicker [237] | 6-4,6-4 | |
| Challenger Todi | 07/09 13:00 | 28 | [221] Daniel Masur v Nicolas Kicker [237] | 2-6,6-3,4-6 | |
| Challenger Todi | 07/08 15:00 | 27 | [237] Nicolas Kicker v Flavio Cobolli [145] | 6-3,6-3 | |
| Challenger Todi | 07/06 13:00 | 26 | [226] Timofey Skatov v Nicolas Kicker [237] | 4-6,3-6 | |
| Challenger Todi | 07/04 14:30 | 25 | [237] Nicolas Kicker v Jesper De Jong [215] | Retired | |
| Challenger Luedenscheid | 06/29 16:15 | 26 | [184] Pablo Cuevas v Nicolas Kicker [237] | 6-4,6-1 | |
| Challenger Luedenscheid | 06/28 09:00 | 25 | Jeremy Jahn v Nicolas Kicker | 6-4,3-6,4-6 |