Stadium: Court 7 Round: 23 Ground: Hardcourt outdoor
| Challenger Drummondville | 2018/03/13 19:45 | Nicola Kuhn v Jared Hiltzik | 4-6,3-6 |
| Challenger Bergamo | 2018/02/21 15:50 | Nicola Kuhn v Constant Lestienne | 6-7,4-6 |
| Challenger Budapest | 2018/02/11 14:00 | Nicola Kuhn v Vasek Pospisil | 6-7,6-3,3-6 |
| Challenger Budapest | 2018/02/10 16:00 | Marton Fucsovics v Nicola Kuhn | 3-6,6-7 |
| Challenger Budapest | 2018/02/09 17:40 | Nicola Kuhn v Jurgen Zopp | 6-3,6-3 |
| Challenger Budapest | 2018/02/07 12:00 | Mate Valkusz v Nicola Kuhn | 2-6,6-7 |
| Challenger Budapest | 2018/02/05 14:20 | Andrea Arnaboldi v Nicola Kuhn | 6-7,6-4,4-6 |
| Challenger Rennes Qual | 2018/01/21 11:15 | Tristan Lamasine v Nicola Kuhn | 2-6,7-5,6-2 |
| ATP Miami Qual | 2018/03/20 14:00 | Darian King v Mackenzie McDonald | 2-6,6-4,6-4 |
| ATP Miami Qual | 2018/03/19 14:00 | Roberto Carballes Baena v Darian King | 6-2,2-6,4-6 |
| ATP Indian Wells Qual | 2018/03/06 23:30 | Ricardas Berankis v Darian King | 6-3,6-2 |
| Challenger Indian Wells | 2018/03/04 19:40 | Darian King v Martin Klizan | 3-6,3-6 |
| Challenger Indian Wells | 2018/03/04 00:15 | Darian King v Taylor Fritz | 3-6,7-6,6-2 |
| Challenger Indian Wells | 2018/03/02 23:15 | Marius Copil v Darian King | 2-6,5-7 |
| Challenger Indian Wells | 2018/02/27 23:20 | Alexander Sarkissian v Darian King | 5-7,6-0,3-6 |
| ATP Delray Beach | 2018/02/20 19:45 | Darian King v Evgeny Donskoy | 4-6,2-6 |