Risultati
| Challenger Astana | 07/23 08:20 | 14 | Arslanbek Aitkulov v Denis Istomin | 6-2,6-4 | |
| Challenger Roma | 04/24 09:10 | 19 | [435] Denis Istomin v Francesco Forti [357] | 1-6,3-6 | |
| Challenger Roma | 04/23 08:00 | 14 | Sebastian Fanselow v Denis Istomin | 4-6,6-4,3-6 | |
| Challenger Maia | 11/29 14:55 | 25 | [93] Nuno Borges v Denis Istomin [481] | 6-3,6-0 | |
| Challenger Maia | 11/28 13:20 | 19 | [293] Denis Yevseyev v Denis Istomin [481] | 3-6,3-6 | |
| Challenger Maia | 11/27 14:05 | 14 | Guilherme Valdoleiros v Denis Istomin | 1-6,1-6 | |
| Challenger Andria | 11/20 15:10 | 14 | [478] Denis Istomin v David Poljak [442] | 2-6,3-6 | |
| Challenger Bratislava | 11/06 13:10 | 14 | [447] Denis Istomin v Cem Ilkel [318] | 6-7,5-7 | |
| Challenger Ortisei | 10/23 08:00 | 14 | [445] Denis Istomin v Andrew Paulson [374] | 4-6,4-6 | |
| ATP Nur-Sultan | 10/01 08:30 | 14 | [72] Laslo Djere v Denis Istomin [424] | 6-1,6-4 | |
| Coppa Davis | 09/17 14:40 | 5 | Denis Istomin v Shintaro Mochizuki | CANC | |
| Coppa Davis | 09/16 06:00 | 1 | [420] Denis Istomin v Sho Shimabukuro [353] | 6-3,6-7,6-7 |
Wikipedia - Denis Istomin
Denis Istomin (Orenburg, 7 settembre 1986) è un ex tennista e allenatore di tennis uzbeko di origini russe.