| Challenger - Tallahassee | 04/23 16:40 | 25 | [268] Federico Coria v Polansky, Peter [127] | 6-3,6-2 | |
| Challenger - Sarasota | 04/19 16:40 | 27 | [128] Polansky, Peter v Tennys Sandgren [111] | 6-7,3-6 | |
| Challenger - Sarasota | 04/18 16:25 | 26 | Polansky, Peter v Brooksby, Jenson | 6-2,3-6,7-6 | |
| Challenger - Sarasota | 04/16 19:30 | 25 | [128] Polansky, Peter v Collin Altamirano [294] | 6-1,6-4 | |
| ATP - Houston | 04/06 19:55 | 64 | [138] Polansky, Peter v Darian King [208] | 4-6,1-6 | |
| Monterrey, Mexico | 04/05 20:00 | 27 | [138] Polansky, Peter v Emilio Gomez [309] | 3-6,6-7 | |
| Monterrey, Mexico | 04/04 17:00 | 26 | [138] Polansky, Peter v Christopher Eubanks [150] | 7-6,7-6 | |
| Monterrey, Mexico | 04/03 02:10 | 25 | [138] Polansky, Peter v Tipsarevic, Janko [383] | 6-3,6-2 | |
| ATP - Miami | 03/18 14:00 | 44 | [60] Mackenzie McDonald v Polansky, Peter [138] | 7-6,7-5 | |
| Challenger - Phoenix | 03/14 03:25 | 25 | [86] Nicolas Jarry v Polansky, Peter [127] | 6-1,5-7,6-4 | |
| Challenger - Phoenix | 03/13 18:40 | 24 | [484] Nielsen, Frederik v Polansky, Peter [127] | 6-7,3-6 | |
| ATP - Indian Wells | 03/06 00:30 | 44 | [133] Lacko, Lukas v Polansky, Peter [127] | 6-4,6-7,7-6 | |
| Challenger - Indian Wells | 02/28 18:00 | 26 | [112] Andrey Rublev v Polansky, Peter [123] | 6-2,7-5 | |
| Challenger - Indian Wells | 02/26 22:10 | 25 | [238] Harrison, Christian v Polansky, Peter [123] | 4-6,6-3,6-7 | |
| ATP - Delray Beach | 02/19 20:05 | 25 | [122] Polansky, Peter v Isner, John [9] | 3-6,6-7 | |
| New York, USA | 02/12 19:55 | 25 | [118] Polansky, Peter v Harrison, Ryan [92] | 3-6,4-6 | |
| Newport Beach, USA | 01/23 19:55 | 25 | [287] Kaichi Uchida v Polansky, Peter [118] | 0-6,6-3,7-6 | |
| Open d'Australie | 01/10 23:00 | 46 | [118] Polansky, Peter v Thanasi Kokkinakis [145] | 4-6,4-6 | |
| Open d'Australie | 01/10 00:45 | 45 | [118] Polansky, Peter v Rola, Blaz [209] | 6-2,6-7,6-3 | |
| Open d'Australie | 01/07 23:00 | 44 | [118] Polansky, Peter v Ernesto Escobedo [191] | 6-4,3-6,6-4 | |
| ATP Brisbane | 12/29 03:30 | 64 | [150] Thanasi Kokkinakis v Polansky, Peter [121] | 6-3,6-4 | |
| Challenger Champaign | 11/14 22:00 | 26 | [122] Polansky, Peter v Rola, Blaz [229] | 3-6,4-6 | |
| Challenger Champaign | 11/12 19:10 | 25 | Polansky, Peter v Patrick Kypson | 7-5,6-2 | |
| Challenger Knoxville | 11/08 19:00 | 26 | [120] Polansky, Peter v Christopher Eubanks [188] | 3-6,4-6 | |
| Challenger Knoxville | 11/07 19:30 | 25 | [120] Polansky, Peter v Harrison, Christian [259] | 6-2,6-2 | |
| Challenger Charlottesville | 11/04 20:00 | 29 | [277] Tommy Paul v Polansky, Peter [130] | 6-2,6-2 | |
| Challenger Charlottesville | 11/03 17:00 | 28 | [130] Polansky, Peter v Thai-Son Kwiatkowski [346] | 6-2,7-6 | |
| Challenger Charlottesville | 11/02 16:30 | 27 | [130] Polansky, Peter v Jelle Sels [273] | 7-6,6-4 | |
| Challenger Charlottesville | 10/31 19:15 | 26 | [130] Polansky, Peter v Kamke, Tobias [239] | 7-5,7-5 | |
| Challenger Charlottesville | 10/30 14:00 | 25 | [130] Polansky, Peter v Hiltzik, Jared [408] | 6-2,7-5 |