Stadium: Court 9 Round: 25
| ATP Washington Qual | 2018/07/28 15:10 | Thomas, Danny v Young, Donald | 6-7,6-4,2-6 |
| ITF USA F19B | 2018/07/19 17:00 | Glasspool, Lloyd v Thomas, Danny | 7-6,7-6 |
| ITF USA F19B | 2018/07/18 15:00 | Lebedev, Alexander v Thomas, Danny | 5-7,2-6 |
| Winnetka, USA | 2018/07/09 17:00 | Thomas, Danny v Kelly, Dayne | 6-4,3-6,5-7 |
| ITF USA F17 | 2018/06/26 16:45 | Thomas, Danny v Marc-Andrea Huesler | 7-5,5-7,6-7 |
| ITF USA F15 | 2018/06/19 14:00 | Thomas, Danny v Karue Sell | 6-3,6-7,6-7 |
| ITF USA F13 Qual | 2018/06/09 15:30 | Thomas, Danny v Seraphim, Christian | 6-7,4-6 |
| Challenger Savannah Qual | 2018/04/29 16:55 | Karue Sell v Thomas, Danny | 6-3,6-1 |
| ITF USA F28 | 2018/10/16 15:00 | Axel Nefve v Gerritsen, Stephan | 6-3,6-2 |
| ITF USA F27 | 2018/10/11 15:00 | Schneider, Ronnie v Gerritsen, Stephan | 6-4,6-1 |
| ITF USA F27 | 2018/10/10 16:30 | El Midhawy, Adam v Gerritsen, Stephan | 3-6,2-6 |
| ITF Kazakhstan F8 | 2018/09/25 05:00 | Gerritsen, Stephan v Ayap, Sagadat | 2-6,3-6 |
| ITF Kazakhstan F7 | 2018/09/18 05:25 | Gerritsen, Stephan v Mikalai Haliak | 3-6,6-4,4-6 |
| ITF Netherlands F6 | 2018/08/31 10:50 | Gerritsen, Stephan v van Beem, Colin | 6-7,3-6 |
| ITF Netherlands F6 | 2018/08/30 14:35 | Gerritsen, Stephan v Alec Deckers | 6-2,6-3 |
| ITF Netherlands F6 | 2018/08/29 08:00 | Gerritsen, Stephan v Borg, Maikel | 3-6,6-3,7-6 |