Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| Paris, France | 2017/10/30 10:00 | Harrison, Ryan v Gojowczyk, Peter | 6-7,3-6 |
| Basel, Switzerland | 2017/10/25 13:40 | Bautista-Agut, Roberto v Harrison, Ryan | 6-3,7-6 |
| Basel, Switzerland | 2017/10/24 17:20 | Dolgopolov, Aleksandr v Harrison, Ryan | 4-6,1-6 |
| Shanghai, Chine | 2017/10/11 05:00 | Harrison, Ryan v Grigor Dimitrov | 6-3,3-6,6-7 |
| Shanghai, Chine | 2017/10/10 05:00 | Zhang, Ze v Harrison, Ryan | 2-6,3-6 |
| ATP Tokyo | 2017/10/06 06:50 | Marin Cilic v Harrison, Ryan | 6-2,6-0 |
| ATP Tokyo | 2017/10/04 05:55 | Harrison, Ryan v Anderson, Kevin | 6-3,1-6,7-6 |
| ATP Tokyo | 2017/10/02 06:05 | Yusuke Takahashi v Harrison, Ryan | 4-6,6-4,4-6 |
| Basel, Switzerland | 2017/10/24 13:00 | Zverev, Mischa v Mayer, Leonardo | 5-7,5-7 |
| ATP Stockholm | 2017/10/17 16:30 | Mayer, Leonardo v Elias Ymer | 4-6,6-3,5-7 |
| ATP Shanghai Qual | 2017/10/08 06:05 | Mayer, Leonardo v Frances Tiafoe | 6-4,4-6,4-6 |
| ATP Shanghai Qual | 2017/10/07 05:20 | Mayer, Leonardo v Stakhovsky, Sergiy | 7-6,3-6,7-6 |
| Pékin, Chine | 2017/10/05 06:30 | Mayer, Leonardo v Isner, John | 0-6,3-6 |
| Pékin, Chine | 2017/10/03 05:50 | Mayer, Leonardo v Lorenzi, Paolo | 7-6,5-7,6-4 |
| Chengdu, Chine | 2017/09/27 05:00 | Gojowczyk, Peter v Mayer, Leonardo | 6-2,6-2 |
| US Open, New York, USA | 2017/09/02 21:10 | Rafael Nadal v Mayer, Leonardo | 6-7,6-3,6-1,6-4 |