Stadium: Court 3 Round: 54 Ground: Hardcourt indoor
| ITF M25 Rodez | 2020/10/14 11:35 | Laurent, Thomas v Lucas Poullain | 6-3,6-3 |
| ITF M25 Rodez | 2020/10/12 16:15 | Lucas Poullain v Eysseric, Jonathan | 6-2,6-1 |
| ITF M25 Rodez | 2020/10/12 11:55 | Lucas Poullain v Cayre, Paul | 6-2,6-1 |
| ITF M25 Plaisir | 2020/09/17 10:55 | Igor Sijsling v Lucas Poullain | 6-2,6-7,6-2 |
| ITF M25 Plaisir | 2020/09/16 10:30 | Pontico, Hugo v Lucas Poullain | 4-6,2-6 |
| ITF M15 Sintra | 2020/09/08 08:30 | Ortega-Olmedo, Roberto v Lucas Poullain | 6-7,7-6,6-3 |
| Toulouse, Singles M-ITF-FRA-05A | 2020/03/11 11:30 | Lucas Poullain v Cayre, Paul | 3-6,2-6 |
| ITF M25 Glasgow | 2020/02/23 12:40 | Lucas Poullain v Jack Draper | 0-6,7-5,6-3 |
| ITF M25 Hamburg | 2020/10/18 09:00 | Boerma, Pelle v Barrientos, Nicolas | 2-6,5-7 |
| ITF M25 Plaisir | 2020/09/16 12:00 | Mertens, Yannick v Barrientos, Nicolas | 1-6,6-2,6-3 |
| ITF M25 Plaisir | 2020/09/14 13:00 | Barrientos, Nicolas v Louis Dussin | 1-6,1-6 |
| ITF M25 Plaisir | 2020/09/14 08:00 | Barrientos, Nicolas v Bron, Hugo | 6-4,6-4 |
| ITF M25 Plaisir | 2020/09/13 12:05 | Barrientos, Nicolas v Antoine Ghibaudo | 6-1,6-1 |
| Las Vegas, Singles M-ITF-USA-07A | 2020/03/05 19:25 | Barrientos, Nicolas v Alex Rybakov | 1-6,6-4,4-6 |
| Las Vegas, Singles M-ITF-USA-07A | 2020/03/04 20:50 | Barrientos, Nicolas v Braswell, Micah | 6-0,6-1 |
| Challenger - Morelos | 2020/02/17 16:00 | Roelofse, Ruan v Barrientos, Nicolas | 6-3,2-6,6-3 |