Stadium: Stadium 3 Round: 26 Ground: Hardcourt outdoor
| 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 Queens MD | 2018/06/22 16:30 | Edmund K / Skupski N v Kontinen H / Peers J | 6-7,7-5,6-10 |
| ATP Cincinnati MD | 2018/08/15 19:30 | Dodig I / Haase R v Sitak A / Tsitsipas S | 6-4,6-7,10-6 |