Stadium: Court 2 Round: 24 Ground: Hardcourt indoor
| US Open Qual | 2015/08/28 18:15 | Guilherme Clezar v John-Patrick Smith | 3-6,2-6 |
| Challenger Punta del Este | 2020/02/01 00:00 | Guilherme Clezar v Thiago Monteiro | 4-6,1-6 |
| Challenger Punta del Este | 2020/01/30 20:30 | Federico Coria v Guilherme Clezar | 5-7,6-4,5-7 |
| Challenger Punta del Este | 2020/01/28 15:50 | Guilherme Clezar v Andrea Collarini | 7-6,7-6 |
| Challenger Punta del Este | 2020/01/27 15:50 | Guilherme Clezar v Pedro Cachin | 6-4,7-6 |
| Challenger Ortisei | 2019/11/12 09:00 | Guilherme Clezar v Uladzimir Ignatik | 4-6,7-6,1-6 |
| Challenger Montevideo | 2019/11/07 17:00 | Andrea Collarini v Guilherme Clezar | 6-3,6-4 |
| Challenger Montevideo | 2019/11/06 14:00 | Guilherme Clezar v Thiago Monteiro | 7-6,6-7,6-3 |
| Challenger Montevideo | 2019/11/05 14:00 | Alejandro Tabilo v Guilherme Clezar | 6-3,3-6,3-6 |
| Australian Open | 2020/01/20 00:00 | Guido Pella v John-Patrick Smith | 6-3,7-5,6-4 |
| ATP Adelaide | 2020/01/11 07:00 | Nicolas Jarry v John-Patrick Smith | 6-3,6-3 |
| Australian Open WC | 2019/12/15 01:50 | Max Purcell v John-Patrick Smith | 3-6,4-6,1-6 |
| Australian Open WC | 2019/12/13 03:35 | John-Patrick Smith v Maverick Banes | 6-2,6-1,6-3 |
| Australian Open WC | 2019/12/10 23:00 | John-Patrick Smith v Aleksandar Vukic | 6-3,6-7,6-3,6-1 |
| Australian Open WC | 2019/12/09 02:25 | John-Patrick Smith v Brandon Walkin | 6-3,7-6,6-3 |
| Challenger Helsinki | 2019/11/13 11:00 | John-Patrick Smith v Ilya Ivashka | 6-2,4-6,4-6 |
| Challenger Helsinki | 2019/11/12 11:00 | John-Patrick Smith v Aleksi Lofman | 6-2,6-1 |