| Czech league |
Round |
Result |
H |
A |
| 16.12. |
|
Vanni L. - Istomin D. |
|
6-3, 7-6 |
|
|
| 15.12. |
|
Istomin D. - Vesely J. |
|
7-6, 3-6, 6-3 |
|
|
| Basel |
Round |
Result |
H |
A |
| 20.10. |
|
Lajovic D. - Istomin D. |
Q-R16 |
6-4, 7-5 |
1.59 |
2.33 |
| Moscow |
Round |
Result |
H |
A |
| 16.10. |
|
Berankis R. - Istomin D. |
1R |
6-4, 5-4 |
2.42 |
1.56 |
| Tashkent challenger |
Round |
Result |
H |
A |
| 11.10. |
|
Auger Aliassime F. - Istomin D. |
QF |
7-64, 6-3 |
2.24 |
1.59 |
| 10.10. |
|
Istomin D. - Bublik A. |
R16 |
7-66, 6-1 |
1.26 |
3.65 |
| 09.10. |
|
Istomin D. - Gaio F. |
1R |
6-3, 6-4 |
1.19 |
4.36 |
| Almaty 3 challenger |
Round |
Result |
H |
A |
| 06.10. |
|
Istomin D. - Milojevic N. |
F |
64-7, 7-65, 6-2 |
1.27 |
3.58 |
| 05.10. |
|
Istomin D. - Rosol L. |
SF |
3-6, 6-3, 6-4 |
1.35 |
3.00 |
| 04.10. |
|
Istomin D. - Kecmanovic M. |
QF |
6-3, 6-4 |
1.46 |
2.59 |
| 03.10. |
|
Istomin D. - Safwat M. |
R16 |
6-2, 6-1 |
1.18 |
4.53 |
| 01.10. |
|
Istomin D. - Silva F. |
1R |
6-3, 7-5 |
1.42 |
2.71 |
| Saint Petersburg |
Round |
Result |
H |
A |
| 19.09. |
|
Kukushkin M. - Istomin D. |
1R |
7-5, 2-4 |
1.60 |
2.33 |
| Davis Cup |
Round |
Result |
H |
A |
| 14.09. |
|
Evans D. - Istomin D. |
|
7-64, 4-6, 0-6, 6-4, 7-5 |
2.37 |
1.56 |
| Chicago challenger |
Round |
Result |
H |
A |
| 09.09. |
|
Istomin D. - Opelka R. |
F |
6-4, 6-2 |
1.54 |
2.36 |
| 08.09. |
|
Istomin D. - Fratangelo B. |
SF |
6-1, 6-2 |
1.36 |
3.01 |
| 07.09. |
|
Istomin D. - Bemelmans R. |
QF |
6-3, 6-4 |
1.51 |
2.45 |
| 06.09. |
|
Istomin D. - Paul T. |
R16 |
7-5, 6-3 |
1.64 |
2.12 |
| 05.09. |
|
Istomin D. - Arevalo M. |
1R |
6-4, 6-1 |
1.30 |
3.50 |
| US Open |
Round |
Result |
H |
A |
| 28.08. |
|
Johnson S. - Istomin D. |
1R |
6-3, 7-66, 6-3 |
1.29 |
3.69 |
| Asian Games |
Round |
Result |
H |
A |
| 25.08. |
|
Istomin D. - Wu Y. |
F |
2-6, 6-2, 7-6 |
|
|
| 24.08. |
|
Istomin D. - Gunneswaran P. |
SF |
6-2, 6-2 |
|
|
| 23.08. |
|
Istomin D. - Bublik A. |
QF |
6-1, 3-0 |
|
|
| 22.08. |
|
Istomin D. - Zhang Z. |
R16 |
6-4, 6-3 |
|
|
| 20.08. |
|
Istomin D. - Khan A. |
2R |
6-3, 6-1 |
|
|
| Kitzbühel |
Round |
Result |
H |
A |
| 04.08. |
|
Klizan M. - Istomin D. |
F |
6-2, 6-2 |
1.57 |
2.42 |
| 03.08. |
|
Istomin D. - Jarry N. |
SF |
7-5, 64-7, 6-4 |
2.44 |
1.55 |
| 02.08. |
|
Istomin D. - Marterer M. |
QF |
6-3, 6-3 |
2.44 |
1.56 |
| 01.08. |
|
Istomin D. - Kohlschreiber P. |
R16 |
5-7, 6-3, 6-1 |
3.40 |
1.31 |
| 30.07. |
|
Istomin D. - Delbonis F. |
1R |
7-65, 6-2 |
2.47 |
1.54 |
| 29.07. |
|
Istomin D. - Monteiro T. |
Q-QF |
6-1, 67-7, 7-5 |
2.02 |
1.75 |
| 28.07. |
|
Istomin D. - Benchetrit E. |
Q-R16 |
6-3, 6-2 |
1.77 |
1.98 |
| Gstaad |
Round |
Result |
H |
A |
| 24.07. |
|
Djere L. - Istomin D. |
1R |
7-66, 7-5 |
1.48 |
2.64 |
| Bastad |
Round |
Result |
H |
A |
| 17.07. |
|
Ymer M. - Istomin D. |
1R |
6-3, 6-3 |
1.78 |
2.00 |
| Wimbledon |
Round |
Result |
H |
A |
| 03.07. |
|
Kyrgios N. - Istomin D. |
1R |
7-63, 7-64, 65-7, 6-3 |
1.13 |
6.17 |
| Eastbourne |
Round |
Result |
H |
A |
| 27.06. |
|
Cecchinato M. - Istomin D. |
R16 |
4-6, 6-4, 7-5 |
3.54 |
1.29 |
| 25.06. |
|
Istomin D. - Seppi A. |
1R |
6-3, 64-7, 7-64 |
2.27 |
1.63 |
| Halle |
Round |
Result |
H |
A |
| 17.06. |
|
Bachinger M. - Istomin D. |
Q-QF |
7-5, 6-2 |
2.96 |
1.38 |
| 16.06. |
|
Istomin D. - Simon G. |
Q-R16 |
4-6, 7-67, 7-65 |
2.46 |
1.51 |
| Stuttgart |
Round |
Result |
H |
A |
| 15.06. |
|
Pouille L. - Istomin D. |
QF |
6-4, 65-7, 6-3 |
1.47 |
2.70 |
| 13.06. |
|
Istomin D. - Mayer F. |
R16 |
6-3, 6-4 |
1.73 |
2.09 |
| 12.06. |
|
Istomin D. - Kohlschreiber P. |
1R |
7-62, 7-63 |
3.90 |
1.25 |
| French Open |
Round |
Result |
H |
A |
| 28.05. |
|
Bautista-Agut R. - Istomin D. |
1R |
6-2, 63-7, 1-6, 6-4, 6-4 |
1.08 |
8.17 |
| Geneva |
Round |
Result |
H |
A |
| 21.05. |
|
Donaldson J. - Istomin D. |
1R |
5-7, 6-4, 6-0 |
1.57 |
2.38 |
| Samarkand challenger |
Round |
Result |
H |
A |
| 15.05. |
|
Cachin P. - Istomin D. |
1R |
7-63, 6-4 |
2.07 |
1.69 |
| Madrid |
Round |
Result |
H |
A |
| 05.05. |
|
Munar J. - Istomin D. |
Q-1R |
7-65, 6-0 |
1.50 |
2.55 |
| Istanbul |
Round |
Result |
H |
A |
| 30.04. |
|
Djere L. - Istomin D. |
1R |
7-65, 7-66 |
2.11 |
1.72 |
| Budapest |
Round |
Result |
H |
A |
| 24.04. |
|
Bublik A. - Istomin D. |
1R |
66-7, 7-65, 7-5 |
2.51 |
1.52 |
| Monte Carlo |
Round |
Result |
H |
A |
| 14.04. |
|
Granollers-Pujol M. - Istomin D. |
Q-1R |
6-2, 6-3 |
1.63 |
2.21 |
| Davis Cup |
Round |
Result |
H |
A |
| 07.04. |
|
Istomin D. - Khan A. |
|
6-1, 6-3 |
1.13 |
5.59 |
| 06.04. |
|
Istomin D. - Qureshi A. |
|
7-617, 4-1 |
1.14 |
5.30 |
| Miami |
Round |
Result |
H |
A |
| 25.03. |
|
Carreno-Busta P. - Istomin D. |
2R |
6-1, 6-0 |
1.39 |
2.95 |
| 23.03. |
|
Istomin D. - Kecmanovic M. |
1R |
7-5, 6-4 |
1.79 |
2.00 |
| Dubai |
Round |
Result |
H |
A |
| 27.02. |
|
Khachanov K. - Istomin D. |
1R |
7-61, 7-60 |
1.49 |
2.61 |
| Rotterdam |
Round |
Result |
H |
A |
| 10.02. |
|
Bemelmans R. - Istomin D. |
Q-R16 |
6-4, 6-4 |
1.84 |
1.90 |
| Sofia |
Round |
Result |
H |
A |
| 08.02. |
|
Troicki V. - Istomin D. |
R16 |
7-64, 1-6, 7-65 |
1.61 |
2.30 |
| 06.02. |
|
Istomin D. - Andreev A. |
1R |
6-3, 6-4 |
1.02 |
16.11 |
| Australian Open |
Round |
Result |
H |
A |
| 17.01. |
|
Edmund K. - Istomin D. |
2R |
6-2, 6-2, 6-4 |
1.41 |
2.94 |
| 15.01. |
|
Istomin D. - Herbert P. |
1R |
6-2, 6-1, 5-7, 7-63 |
1.69 |
2.18 |
| Brisbane |
Round |
Result |
H |
A |
| 05.01. |
|
Harrison R. - Istomin D. |
QF |
7-66, 4-2 |
1.87 |
1.92 |
| 04.01. |
|
Istomin D. - Donaldson J. |
R16 |
7-65, 6-2 |
1.92 |
1.88 |
| 02.01. |
|
Istomin D. - Dzumhur D. |
1R |
64-7, 6-3, 6-2 |
2.52 |
1.52 |