Head to head
2
Hard
0
0
Clay
1
Denis Istomin's wins on the left · Jared Donaldson's on the right · bar lengths share one scale
All meetings (3)
| 2018 | Geneva | Clay | R32 | Jared Donaldson | 5-7 6-4 6-0 |
| 2018 | Brisbane | Hard | R16 | Denis Istomin | 7-6(5) 6-2 |
| 2017 | Chengdu | Hard | QF | Denis Istomin | 2-6 7-5 7-6(5) |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.