Stadion: Court 1 Round: 25 Ground: Clay
| Challenger - Guayaquil | 2015/11/03 17:35 | Guilherme Clezar v Guido Pella | 1-6,6-3,3-6 |
| ATP - Rio de Janeiro | 2017/02/21 22:35 | Guido Pella v Victor Estrella Burgos | 2-6,5-7 |
| ATP - Buenos Aires | 2017/02/14 20:40 | Albert Ramos-Vinolas v Guido Pella | 6-7,6-4,7-6 |
| Davis Cup | 2017/02/06 13:55 | Guido Pella v Fabio Fognini | 6-2,6-4,3-6,4-6,2-6 |
| Davis Cup | 2017/02/03 14:00 | Guido Pella v Paolo Lorenzi | 3-6,3-6,3-6 |
| Australian Open 2017 | 2017/01/17 04:40 | Roberto Bautista-Agut v Guido Pella | 6-3,6-1,6-1 |
| ATP - Paris | 2016/10/31 10:00 | Steve Johnson v Guido Pella | 6-4,7-5 |
| ATP - Basel | 2016/10/27 19:40 | Mischa Zverev v Guido Pella | 6-4,6-2 |
| ATP - Moskau | 2016/10/19 11:40 | Andrey Kuznetsov v Guido Pella | 6-3,5-7,6-2 |
| ATP - Sao Paulo - Qualifikation | 2017/02/26 14:00 | Guilherme Clezar v Arthur De Greef | 7-5,6-0 |
| ATP - Sao Paulo - Qualifikation | 2017/02/25 13:00 | Taro Daniel v Guilherme Clezar | 5-7,2-6 |
| ATP - Rio de Janeiro - Qualifikation | 2017/02/19 15:15 | Guilherme Clezar v Roberto Carballes Baena | 6-1,1-6,4-6 |
| ATP - Quito - Qualifikation | 2017/02/04 21:55 | Guilherme Clezar v Marco Cecchinato | 6-4,6-7,6-7 |
| Australian Open 2017 - Qualifikation | 2017/01/13 08:05 | Guilherme Clezar v Julien Benneteau | 5-7,0-6 |
| Australian Open 2017 - Qualifikation | 2017/01/11 06:05 | Kristijan Mesaros v Guilherme Clezar | 2-6,1-6 |
| Challenger - Noumea | 2017/01/03 01:15 | Stefanos Tsitsipas v Guilherme Clezar | 6-3,7-5 |
| Challenger - Guayaquil | 2016/11/02 18:30 | Guilherme Clezar v Arthur De Greef | 6-4,2-6,3-6 |