| Challenger - Ludwigshafen | 07/02 16:00 | 24 | [262] Gianluigi Quinzi v Nicola Kuhn [238] | 6-3,6-7,3-6 | |
| Challenger - Shymkent 2 | 06/14 05:00 | 27 | [255] Nicola Kuhn v Stefano Travaglia [112] | 2-6,2-6 | |
| Challenger - Shymkent 2 | 06/13 05:50 | 26 | [388] Riccardo Bonadio v Nicola Kuhn [255] | 6-4,4-6,4-6 | |
| Challenger - Shymkent 2 | 06/11 08:15 | 25 | [255] Nicola Kuhn v Akira Santillan [238] | 1-6,7-5,6-3 | |
| Challenger - Shymkent 2 | 06/10 06:30 | 24 | [295] Roman Safiullin v Nicola Kuhn [255] | 6-3,2-6,2-6 | |
| Challenger - Almaty | 06/06 06:15 | 26 | [262] Nicola Kuhn v Alejandro Tabilo [353] | 0-6,6-7 | |
| Challenger - Almaty | 06/05 10:30 | 25 | [92] Malek Jaziri v Nicola Kuhn [262] | 6-7,6-7 | |
| Challenger - Almaty | 06/03 09:15 | 24 | Nicola Kuhn v Andrey Golubev | 6-3,2-6,6-2 | |
| ATP - Lyon | 05/18 08:00 | 64 | [99] Jiri Vesely v Nicola Kuhn [262] | 6-4,6-4 | |
| Challenger - Lisboa | 05/14 09:00 | 24 | [256] Steve Darcis v Nicola Kuhn [262] | 6-1,7-5 | |
| Challenger - Lisboa | 05/13 09:00 | 166 | [262] Nicola Kuhn v Benjamin Bonzi [291] | 7-5,6-3 | |
| ATP - Madrid | 05/04 09:00 | 45 | [58] Taylor Fritz v Nicola Kuhn [260] | 6-4,6-3 | |
| ATP - Barcelona | 04/24 11:10 | 25 | [104] Roberto Carballes Baena v Nicola Kuhn [276] | 6-7,6-4,6-2 | |
| ATP - Barcelona | 04/24 10:20 | 25 | Fabio Fognini v Nicola Kuhn | Cancelled | |
| ATP - Barcelona | 04/23 10:00 | 24 | [276] Nicola Kuhn v Federico Delbonis [76] | 7-6,4-6,6-2 | |
| Challenger - Alicante | 04/02 08:00 | 24 | [189] Enrique L-Perez v Nicola Kuhn [274] | 6-2,6-2 | |
| ATP - Miami | 03/20 20:00 | 23 | [255] Nicola Kuhn v Mischa Zverev [75] | Retired | |
| Challenger - Phoenix | 03/11 18:50 | 24 | [107] Lorenzo Sonego v Nicola Kuhn [248] | 6-3,6-2 | |
| Challenger - Pau | 02/28 16:15 | 26 | [313] Roman Safiullin v Nicola Kuhn [259] | 6-3,6-4 | |
| Challenger - Pau | 02/26 12:45 | 25 | [259] Nicola Kuhn v Daniel Brands [172] | 6-1,7-6 | |
| Challenger - Pau | 02/25 11:20 | 24 | [393] Raul Brancaccio v Nicola Kuhn [259] | 3-6,6-4,1-6 | |
| Challenger - Chennai | 02/08 05:30 | 27 | [237] Nicola Kuhn v Corentin Moutet [145] | 7-5,3-6,4-6 | |
| Challenger - Chennai | 02/07 05:00 | 26 | [243] Duckhee Lee v Nicola Kuhn [237] | 4-6,4-6 | |
| Challenger - Chennai | 02/05 07:40 | 25 | [358] Antoine Escoffier v Nicola Kuhn [237] | Retired | |
| Challenger - Launceston | 02/01 06:10 | 27 | [111] Lloyd Harris v Nicola Kuhn [248] | 6-4,7-6 | |
| Challenger - Launceston | 01/31 04:15 | 26 | [248] Nicola Kuhn v Sebastian Ofner [176] | 7-6,6-3 | |
| Challenger - Launceston | 01/29 02:50 | 25 | [226] Federico Gaio v Nicola Kuhn [248] | 1-6,4-6 | |
| Challenger - Launceston | 01/28 01:45 | 24 | [248] Nicola Kuhn v Andrew Whittington [377] | 6-1,7-5 | |
| Challenger - Burnie | 01/22 04:45 | 25 | [198] Stefano Napolitano v Nicola Kuhn [248] | 6-1,6-1 | |
| Challenger - Burnie | 01/20 23:00 | 24 | [292] Akira Santillan v Nicola Kuhn [248] | 4-6,6-7 |