Stadium: Court 4 Round: 25 Ground: Clay
| ITF Portugal F20 | 2018/10/09 11:05 | Sao Thiago, Igor v Butsch, Justin | 6-7,3-6 |
| Portimao, Singles Qualifying M-ITF-POR-16A | 2019/03/11 10:00 | Sao Thiago, Igor v Dembek, Michal | 2-6,0-6 |
| ITF - M15 Sharm El Sheikh | 2019/01/28 16:00 | Hajek, Petr v Sao Thiago, Igor | 6-3,6-3 |
| ITF - M15 Sharm El Sheikh | 2019/01/28 09:30 | Boychuk, Roman v Sao Thiago, Igor | 5-7,4-6 |
| ITF - M15 Sharm El Sheikh | 2019/01/23 13:05 | Sao Thiago, Igor v Kobelt, Peter | 5-7,2-6 |
| ITF Cameroon F2 | 2018/12/04 13:00 | Sao Thiago, Igor v Cooper, Joe | 6-1,6-1 |
| ITF Cameroon F1 | 2018/12/01 10:00 | Sao Thiago, Igor v Skander Mansouri | 1-6,3-6 |
| ITF Cameroon F1 | 2018/11/30 12:20 | Sao Thiago, Igor v Dahiya, Jatin | 6-1,1-6,6-3 |
| ITF Cameroon F1 | 2018/11/29 09:50 | Doumbia, Sadio v Sao Thiago, Igor | 3-6,5-7 |
| ITF - M15 Sunrise | 2019/04/10 20:50 | Butsch, Justin v Tikhomirov, Maksim | 3-6,6-7 |
| ITF - M15 Sunrise | 2019/04/09 14:00 | Butsch, Justin v Uzhylovsky, Vladimir | 6-2,6-3 |
| ITF - M15 Sunrise | 2019/04/08 15:00 | Butsch, Justin v Sundaram, Ritik | 6-3,6-1 |
| ITF M15 Cancun | 2019/03/25 17:00 | Butsch, Justin v Botezan, George | 6-2,1-6,7-10 |
| ITF M15 Cancun | 2019/03/18 18:30 | Butsch, Justin v Panta Herreros, Jorge Brian | 3-6,0-6 |
| Palm Coast, Singles M-ITF-USA-05A | 2019/01/23 15:15 | Olivares, Jose v Butsch, Justin | 6-2,6-1 |
| ITF Dominican Republic F3 | 2018/12/11 16:40 | Hinsching, Joao v Butsch, Justin | 7-6,1-6,7-6 |
| ITF Dominican Republic F2 | 2018/12/04 19:10 | Butsch, Justin v Olivares, Jose | 3-6,4-6 |