Stadium: Court 1 Round: 25 Ground: Clay
| Challenger Tallahassee Qual | 2018/04/22 14:00 | Federico Coria v Joao Pedro Sorgi | 6-1,3-6,6-2 |
| Challenger Tallahassee Qual | 2018/04/21 15:30 | Francesco Ferrari v Joao Pedro Sorgi | 2-6,3-6 |
| Challenger Sarasota Qual | 2018/04/14 18:15 | Max Purcell v Joao Pedro Sorgi | 6-4,6-0 |
| Challenger Sarasota Qual | 2018/04/14 14:00 | Joao Pedro Sorgi v Pere Riba | 7-6,7-5 |
| Davis Cup | 2018/04/08 01:40 | Alejandro Gonzalez v Joao Pedro Sorgi | 6-3,7-6 |
| Challenger San Luis Potosi Qual | 2018/03/25 17:20 | Joao Pedro Sorgi v Felipe Mantilla | 6-7,6-7 |
| ITF Turkey F8 | 2018/02/27 08:00 | Flavio Cipolla v Joao Pedro Sorgi | 6-1,6-4 |
| ITF Turkey F7 | 2018/02/24 08:00 | Attila Balazs v Joao Pedro Sorgi | 6-2,6-3 |
| Challenger Sarasota | 2018/04/19 15:40 | Juan Ignacio Londero v Peter Polansky | 6-4,6-3 |
| Challenger Le Gosier | 2018/03/29 20:15 | John-Patrick Smith v Peter Polansky | 7-6,6-3 |
| Challenger Le Gosier | 2018/03/27 19:30 | Laurent Rochette v Peter Polansky | 0-6,5-7 |
| ATP Miami Qual | 2018/03/20 16:00 | Rogerio Dutra Silva v Peter Polansky | 6-3,6-7,6-4 |
| ATP Miami Qual | 2018/03/19 16:35 | Reilly Opelka v Peter Polansky | 6-7,3-6 |
| ATP Indian Wells | 2018/03/11 00:15 | Adrian Mannarino v Peter Polansky | 6-1,6-4 |
| ATP Indian Wells | 2018/03/09 00:50 | Marius Copil v Peter Polansky | 6-7,7-6,6-7 |
| ATP Indian Wells Qual | 2018/03/07 21:40 | Matteo Berrettini v Peter Polansky | 3-6,6-1,3-6 |