Head to head
1
Hard
2
1
Clay
0
Ze Zhang's wins on the left · Denis Istomin's on the right · bar lengths share one scale
All meetings (4)
| 2016 | Davis Cup G1 R2: CHN vs UZB | Clay | RR | Ze Zhang | 3-6 7-5 2-6 6-1 6-4 |
| 2015 | Beijing | Hard | R32 | Ze Zhang | 6-3 1-6 6-3 |
| 2014 | Davis Cup G1 R2: CHN vs UZB | Hard | RR | Denis Istomin | 6-4 4-6 3-6 6-3 6-4 |
| 2010 | Davis Cup G1 R1: CHN vs UZB | Hard | RR | Denis Istomin | 4-6 7-5 6-2 7-5 |
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.