Round: 62 Ground: Clay
| ITF USA F20 | 2017/06/18 16:00 | Ramirez Luna, Felipe v Colin Sinclair | 5-7,2-6 |
| ITF USA F18 | 2017/06/14 17:50 | Colin Sinclair v Monette, Samuel | 6-4,4-6,2-6 |
| ITF USA F18 | 2017/06/12 16:00 | Colin Sinclair v Oljaca, Mark | 6-2,6-1 |
| ITF USA F3 | 2017/01/08 17:30 | Aleksandar Kovacevic v Colin Sinclair | 6-4,6-2 |
| ITF USA F3 | 2017/01/07 18:30 | Ramirez Utermann, Carlos v Colin Sinclair | 3-6,6-4,4-6 |
| ITF USA F20 Qual | 2015/06/29 17:30 | Torpegaard, Mikael v Colin Sinclair | 6-2,6-2 |
| ITF USA F18 | 2015/06/22 16:00 | Cotrone, Dominic v Colin Sinclair | 7-6,6-1 |
| ITF USA F20 | 2017/06/18 16:00 | Alex Kobelt v Gervais, Washi | 6-3,1-6,7-6 |
| ITF USA F18 | 2017/06/10 18:30 | Alex Kobelt v Leduc, Antoine | 5-7,3-6 |
| Columbus II, USA, Qualifying | 2016/11/19 15:00 | Alex Kobelt v Aragone, JC | 2-6,3-6 |
| Columbus, USA, Qualifications | 2016/09/17 15:25 | Medinilla, Ricky v Alex Kobelt | 6-2,4-6,6-3 |
| ITF USA F24 Qual | 2016/07/16 15:00 | Alex Kobelt v Boris Kozlov | 4-6,3-6 |
| ITF USA F22 Qual | 2016/06/26 14:00 | Ramirez Utermann, Carlos v Alex Kobelt | 6-3,6-4 |
| ITF USA F19 Qual | 2016/06/11 17:00 | Resendiz Dominguez, Mauricio v Alex Kobelt | 6-3,6-0 |
| ITF USA F17 Qual | 2016/06/04 14:00 | Alex Kobelt v Spec, Matic | 5-7,3-6 |