Stadium: Stadium Court Round: 26 Ground: Hardcourt indoor
| New York, USA | 2019/02/11 19:55 | Tennys Sandgren v Lorenzi, Paolo | 6-7,7-6,4-6 |
| ATP - Cordoba | 2019/02/04 22:10 | Lorenzi, Paolo v Pella, Guido | 1-6,3-6 |
| ATP - Cordoba | 2019/02/03 20:25 | Lorenzi, Paolo v Alessandro Giannessi | 7-6,4-6,6-7 |
| ATP - Cordoba | 2019/02/02 22:05 | Lorenzi, Paolo v Arguello, Facundo | 3-6,6-3,6-4 |
| Newport Beach, USA | 2019/01/22 19:40 | Lorenzi, Paolo v Filip Peliwo | 4-6,6-3,4-6 |
| Open d'Australie | 2019/01/11 00:50 | Lorenzi, Paolo v Daniel Evans | 3-6,3-6 |
| Open d'Australie | 2019/01/10 02:25 | Lorenzi, Paolo v Tommy Paul | 7-6,4-6,6-3 |
| Open d'Australie | 2019/01/08 23:00 | Lorenzi, Paolo v Daniel Elahi Galan | 6-4,6-2 |
| New York, USA | 2019/02/12 19:55 | Polansky, Peter v Harrison, Ryan | 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 |