Stadium: Grandstand Round: 27 Ground: Hardcourt outdoor
| ATP Cincinnati MD | 2018/08/16 23:40 | Kontinen H / Peers J v Dodig I / Haase R | 4-6,7-6,12-10 |
| ATP Toronto MD | 2018/08/12 17:30 | Klaasen R / Venus M v Kontinen H / Peers J | 2-6,7-6,6-10 |
| ATP Toronto MD | 2018/08/11 22:15 | Mektic N / Peya A v Kontinen H / Peers J | 6-7,6-4,10-12 |
| ATP Toronto MD | 2018/08/10 21:55 | Querrey S / Ram R v Kontinen H / Peers J | 6-7,3-6 |
| ATP Toronto MD | 2018/08/09 21:55 | Carreno-Busta P / Sousa J v Kontinen H / Peers J | 5-7,1-6 |
| ATP Washington MD | 2018/08/01 18:05 | Cabal / Farah v Kontinen H / Peers J | 6-4,6-4 |
| Wimbledon MD | 2018/07/05 17:00 | Gonzalez M / Jarry N v Kontinen H / Peers J | 6-4,6-4,3-6,4-6,8-6 |
| ATP Queens MD | 2018/06/24 16:50 | Murray J / Soares B v Kontinen H / Peers J | 4-6,3-6 |
| ATP Cincinnati MD | 2018/08/16 21:15 | Kohlschreiber P / Verdasco F v Mahut/Roger-Vasselin | 7-6,6-7,10-6 |
| ATP Cincinnati MD | 2018/08/13 00:40 | Kohlschreiber P / Verdasco F v Mayer L / Ramos-Vinolas A | 4-6,6-2,10-4 |
| ATP Cincinnati MD | 2018/08/13 00:15 | Kohlschreiber P / Verdasco F v Mayer/R-Vinolas | 4-6,6-2,1-0 |