Stadium: Center Round: 25 Ground: Hardcourt outdoor
| Challenger Granby | 2017/07/27 19:50 | Alejandro Gonzalez v Peter Polansky | 4-6,6-3,0-6 |
| Challenger Le Gosier | 2016/04/06 03:55 | Peter Polansky v Alejandro Gonzalez | 3-6,5-7 |
| ATP Cincinnati Qual | 2014/08/09 17:50 | Peter Polansky v Alejandro Gonzalez | 6-7,1-6 |
| US Open | 2018/08/28 19:45 | Peter Polansky v Alexander Zverev | 2-6,1-6,2-6 |
| US Open | 2018/08/24 15:00 | Peter Polansky v Donald Young | 5-7,6-1,3-6 |
| US Open | 2018/08/23 15:00 | Peter Polansky v Santiago Giraldo | 7-6,6-4 |
| US Open | 2018/08/21 22:15 | Peter Polansky v Sergio Gutierrez-Ferrol | 6-4,6-4 |
| Challenger Vancouver | 2018/08/15 18:00 | Peter Polansky v JC Aragone | 6-7,6-7 |
| Challenger Vancouver | 2018/08/14 01:40 | Peter Polansky v Santiago Giraldo | 7-6,5-7,6-3 |
| ATP Toronto | 2018/08/08 15:45 | Peter Polansky v Novak Djokovic | 3-6,4-6 |
| ATP Toronto | 2018/08/06 15:00 | Peter Polansky v Matthew Ebden | 7-6,6-4 |
| Challenger Chicago | 2018/09/02 22:10 | Alejandro Gonzalez v Ruan Roelofse | 4-6,6-3,3-6 |
| Challenger Astana | 2018/07/17 05:55 | Mikhail Youzhny v Alejandro Gonzalez | 6-3,2-6,7-5 |
| Challenger Perugia Qual | 2018/07/08 08:00 | Alejandro Gonzalez v Pol Toledo Bague | 2-6,7-5,3-6 |
| Challenger Recanati Qual | 2018/07/02 10:00 | Alejandro Gonzalez v Andrea Basso | 2-6,3-6 |
| Challenger Recanati Qual | 2018/07/01 11:30 | Alejandro Gonzalez v Francesco Ferrari | 6-3,7-5 |
| Challenger Recanati Qual | 2018/06/30 14:45 | Alejandro Gonzalez v Vasko Mladenov | 6-4,6-3 |
| Challenger Milan Qual | 2018/06/23 10:20 | Alejandro Gonzalez v Christian Lindell | 3-6,6-2,2-6 |
| Challenger L'Aquila | 2018/06/19 09:40 | Alejandro Gonzalez v Gianluca Mager | 3-6,3-6 |