Stadium: Court 9 Round: 25 Ground: Hardcourt outdoor
| Chiswick, Singles W-ITF-GBR-09A | 2019/08/08 12:05 | Paul Jubb v Lucas Poullain | 6-4,6-4 |
| Chiswick, Singles W-ITF-GBR-09A | 2019/08/06 11:10 | Lucas Poullain v Johnson, Luke | 1-6,7-6,6-3 |
| Troyes, Singles Qualifying M-ITF-FRA-13A | 2019/07/23 15:00 | Lucas Poullain v Clement Tabur | 4-6,6-1,3-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/06/13 10:20 | Lucas Poullain v Perchicot, Mathieu | 5-7,3-6 |
| Plovdiv, Singles Qualifying M-ITF-BUL-03A | 2019/06/07 07:30 | Lucas Poullain v Jonathan Mridha | 4-6,2-6 |
| Plovdiv, Singles Qualifying M-ITF-BUL-03A | 2019/06/06 09:05 | Kenneth Raisma v Lucas Poullain | 3-6,1-6 |
| Plovdiv, Singles Qualifying M-ITF-BUL-03A | 2019/06/04 08:30 | Lucas Poullain v Palazov, Zlatan | 1-6,6-3,6-2 |
| Tucson, Singles M-ITF-USA-07A | 2019/02/13 20:10 | Lucas Poullain v Joao Lucas Reis da Silva | 4-6,6-2,4-6 |
| ITF M25 Porto | 2019/07/24 17:00 | Faria, Luis v Monteiro, Joao | 6-3,6-4 |
| ITF M15 Faro | 2019/02/28 11:30 | Michael Geerts v Monteiro, Joao | 6-1,6-7,6-4 |
| ITF M15 Faro | 2019/02/27 13:10 | Antonio Massara v Monteiro, Joao | 3-6,3-6 |
| ITF M15 Vale Do Lobo | 2019/02/20 14:30 | Monteiro, Joao v Johan Nikles | 7-6,4-6,3-6 |
| Barnstaple, Singles Qualifying M-ITF-GBR-01A | 2019/02/12 11:55 | Monteiro, Joao v Shane, Ryan | 6-7,2-6 |
| ITF Portugal F22 | 2018/10/28 11:00 | Monteiro, Joao v Gil, Fred | 6-3,7-6 |
| ITF Portugal F22 | 2018/10/27 15:00 | Cacao, Tiago v Monteiro, Joao | 6-7,7-5,1-6 |
| ITF Portugal F22 | 2018/10/27 11:30 | Monteiro, Joao v Baltensperger, Raphael | 6-4,6-4 |