[106] Denis Istomin 4-6,6-2,6-3 Mackenzie McDonald [82] 2019-02-13 16:00
Stadium: Stadium Court Round: 25 Ground: Hardcourt indoor
Head to Head
| ATP Cincinnati Qual | 2017/08/12 21:40 | Mackenzie McDonald v Denis Istomin | 6-4,6-2 |
Home History
| ATP Sofia | 2019/02/05 14:30 | Denis Istomin v Matteo Berrettini | 4-6,6-7 |
| Davis Cup | 2019/02/02 09:55 | Denis Istomin v Dusan Lajovic | 6-3,6-4 |
| Davis Cup | 2019/02/01 09:45 | Denis Istomin v Filip Krajinovic | 2-6,4-6 |
| Australian Open | 2019/01/14 09:55 | Denis Istomin v Roger Federer | 3-6,4-6,4-6 |
| ATP Pune | 2019/01/01 09:30 | Simone Bolelli v Denis Istomin | 6-4,6-4 |
| Czechia Extraliga | 2018/12/16 09:00 | Denis Istomin v Luca Vanni | 3-6,6-7 |
| Czechia Extraliga | 2018/12/15 12:50 | Denis Istomin v Jiri Vesely | 7-6,3-6,6-3 |
| Czechia Extraliga | 2018/12/15 09:00 | Denis Istomin v Jiri Vesely | 7-6,3-6,6-3 |
Away History
| Challenger Dallas | 2019/02/10 21:40 | Mackenzie McDonald v Mitchell Krueger | 6-4,6-7,1-6 |
| Challenger Dallas | 2019/02/10 01:35 | Mackenzie McDonald v Reilly Opelka | 6-4,7-6 |
| Challenger Dallas | 2019/02/09 03:25 | Mackenzie McDonald v Brayden Schnur | 6-2,6-2 |
| Challenger Dallas | 2019/02/08 01:00 | Mackenzie McDonald v Dustin Brown | 6-4,6-2 |
| Challenger Dallas | 2019/02/06 02:50 | Mackenzie McDonald v Liam Broady | 6-3,6-4 |
| Challenger Newport Beach | 2019/01/24 19:55 | Brayden Schnur v Mackenzie McDonald | 6-2,6-4 |
| Challenger Newport Beach | 2019/01/23 18:00 | Mitchell Krueger v Mackenzie McDonald | 3-6,4-6 |
| Australian Open | 2019/01/16 01:40 | Marin Cilic v Mackenzie McDonald | 7-5,6-7,6-4,6-4 |