Stadium: Stadium Court Round: 25 Ground: Hardcourt indoor
| Newport Beach, USA | 2019/01/23 19:55 | Kaichi Uchida v Polansky, Peter | 0-6,6-3,7-6 |
| Open d'Australie | 2019/01/10 23:00 | Polansky, Peter v Thanasi Kokkinakis | 4-6,4-6 |
| Open d'Australie | 2019/01/10 00:45 | Polansky, Peter v Blaz Rola | 6-2,6-7,6-3 |
| Open d'Australie | 2019/01/07 23:00 | Polansky, Peter v Ernesto Escobedo | 6-4,3-6,6-4 |
| ATP Brisbane | 2018/12/29 03:30 | Thanasi Kokkinakis v Polansky, Peter | 6-3,6-4 |
| Challenger Champaign | 2018/11/14 22:00 | Polansky, Peter v Blaz Rola | 3-6,4-6 |
| Challenger Champaign | 2018/11/12 19:10 | Polansky, Peter v Patrick Kypson | 7-5,6-2 |
| Challenger Knoxville | 2018/11/08 19:00 | Polansky, Peter v Christopher Eubanks | 3-6,4-6 |
| Open d'Australie | 2019/01/17 07:30 | Harrison, Ryan v Daniil Medvedev | 3-6,3-6,3-6 |
| Open d'Australie | 2019/01/15 00:00 | Jiri Vesely v Harrison, Ryan | 0-6,5-7,3-6 |
| Sydney, Australia | 2019/01/07 11:45 | Harrison, Ryan v Yoshihito Nishioka | 4-6,2-6 |
| ATP Brisbane | 2019/01/01 05:00 | Kyrgios, Nick v Harrison, Ryan | 7-6,5-7,7-6 |
| Basel, Switzerland | 2018/10/22 18:40 | Marius Copil v Harrison, Ryan | 6-2,7-6 |
| US Open, New York, USA | 2018/08/27 21:15 | Harrison, Ryan v Anderson, Kevin | 6-7,7-5,6-4,3-6,4-6 |
| Winston-Salem, USA | 2018/08/23 23:00 | Daniil Medvedev v Harrison, Ryan | 7-6,6-4 |
| Winston-Salem, USA | 2018/08/23 01:10 | Harrison, Ryan v Filip Krajinovic | 6-3,7-6 |