| Singles | |
|---|---|
| 2016 Tashkent Challenger | |
| Champion |  Konstantin Kravchuk |
| Runner-up |  Denis Istomin |
| Final score | 7–5, 6–4 |
Denis Istomin was the defending champion but lost in the final to Konstantin Kravchuk.
Kravchuk won the title defeating Istomin 7–5, 6–4 in the final.
Jiří Veselý (second round, retired)
Jérémy Chardy (quarterfinals)
Ričardas Berankis (second round, retired) Evgeny Donskoy (first round) Konstantin Kravchuk (champion)
Lukáš Lacko (semifinals) Denis Istomin (final)
Mirza Bašić (semifinals)| Semifinals | Final | ||||||||||||
| 8 | Mirza Bašić | 5 | 3 | ||||||||||
| 5 | Konstantin Kravchuk | 7 | 6 | ||||||||||
| 5 | Konstantin Kravchuk | 7 | 6 | ||||||||||
| 7 | Denis Istomin | 5 | 4 | ||||||||||
| 7 | Denis Istomin | 6 | 6 | ||||||||||
| 6 | Lukáš Lacko | 4 | 4 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | J Veselý | 3 | 6 | 6 | |||||||||||||||||||||||
 V Vardhan | 6 | 3 | 4 | 1 | J Veselý | 77 | 0r | ||||||||||||||||||||
| Q | A Zaitcev | 6 | 3 | 4 | A Bublik | 65 | 3 | ||||||||||||||||||||
| A Bublik | 2 | 6 | 6 | A Bublik | 0 | 1 | |||||||||||||||||||||
 B Kavčič | 6 | 3 | 8 | M Bašić | 6 | 6 | |||||||||||||||||||||
| I Nedelko | 1 | 0r | B Kavčič | 5 | 0r | ||||||||||||||||||||||
| WC | J Karimov | 4 | 3 | 8 | M Bašić | 7 | 0 | ||||||||||||||||||||
| 8 | M Bašić | 6 | 6 | 8 | M Bašić | 5 | 3 | ||||||||||||||||||||
| 4 | E Donskoy | 6 | 3 | 65 | 5 | K Kravchuk | 7 | 6 | |||||||||||||||||||
| WC | S Fayziev | 4 | 6 | 77 | WC | S Fayziev | 0 | 77 | 6 | ||||||||||||||||||
 A Nedovyesov | 6 | 6 | A Nedovyesov | 6 | 65 | 3 | |||||||||||||||||||||
| A Kudryavtsev | 2 | 3 | WC | S Fayziev | 4 | 5 | |||||||||||||||||||||
 Y Mertens | 6 | 6 | 5 | K Kravchuk | 6 | 7 | |||||||||||||||||||||
| WC | Shonigmatjon Shofayziyev | 4 | 2 | Y Mertens | 2 | 4 | |||||||||||||||||||||
| Q | M Elgin | 4 | 4 | 5 | K Kravchuk | 6 | 6 | ||||||||||||||||||||
| 5 | K Kravchuk | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | D Istomin | 6 | 6 | ||||||||||||||||||||||||
| G Sakharov | 3 | 3 | 7 | D Istomin | 4 | 6 | 6 | ||||||||||||||||||||
| Q | Alexander Vasilenko | 61 | 65 |  D Molchanov | 6 | 3 | 2 | ||||||||||||||||||||
| D Molchanov | 77 | 77 | 7 | D Istomin | 6 | 715 | |||||||||||||||||||||
| Q |  I Dodig | 6 | 6 | Q | I Dodig | 4 | 613 | ||||||||||||||||||||
| A Šetkić | 4 | 4 | Q | I Dodig | 2 | ||||||||||||||||||||||
| Michal Konečný | 2 | 4 | 3 | R Berankis | 1r | ||||||||||||||||||||||
| 3 | R Berankis | 6 | 6 | 7 | D Istomin | 6 | 6 | ||||||||||||||||||||
| 6 | L Lacko | 6 | 6 | 6 | L Lacko | 4 | 4 | ||||||||||||||||||||
| WC | K Sultanov | 4 | 3 | 6 | L Lacko | 6 | 6 | ||||||||||||||||||||
 I Ivashka | 4 | 77 | 6 | I Ivashka | 1 | 3 | |||||||||||||||||||||
| E Gerasimov | 6 | 61 | 1 | 6 | L Lacko | 4 | 77 | 6 | |||||||||||||||||||
 F Gaio | 1 | 2 | 2 | J Chardy | 6 | 64 | 4 | ||||||||||||||||||||
 A Weintraub | 6 | 6 | A Weintraub | ||||||||||||||||||||||||
| E Tyurnev | 4 | 2 | 2 | J Chardy | w/o | ||||||||||||||||||||||
| 2 | J Chardy | 6 | 6 | ||||||||||||||||||||||||
Fernando Verdasco was the defending champion, but chose not to compete in 2010.
Sergiy Stakhovsky won in the final against Denis Istomin, 3–6, 6–3, 6–4.
Andrey Golubev was the defending champion but decided not to participate this year.
First-seeded Igor Kunitsyn defeated second-seeded compatriot Konstantin Kravchuk 4–6, 7–6(5), 7–6(3) in the final.
Florian Mayer chose to not defend his 2009 title.
Grigor Dimitrov won this year's event by beating Konstantin Kravchuk 6–1, 6–4 in the final.
Flavio Cipolla and Pavel Šnobel were the defending champions; however, they decided to not compete this year.
Murad Inoyatov and Denis Istomin won the tournament in their country, after defeating Jiří Krkoška and Lukáš Lacko in the final.
Ivan Dodig was the defending champion, but decided not to participate.
Blaž Kavčič was the defending champion. He reached the final but Denis Istomin defeated him 6–3, 1–6, 6–1 and won the title.
Philipp Kohlschreiber was the defending champion but lost to Tommy Haas in the semifinals.
Eventually, Haas won the title after defeating Roger Federer in the final by 7–6(7–5), 6–4.
Denis Istomin was the defending champion, but chose not to compete.
Igor Kunitsyn won the title, defeating Dzmitry Zhyrmont 7–6(12–10), 6–2 in the final.
Janko Tipsarević was the defending champion, but decided to participate at 2012 Erste Bank Open instead.
Andreas Seppi won the final over Brazilian Thomaz Bellucci with the score 3–6, 7–6(7–3), 6–3.
František Čermák and Michal Mertiňák were the defending champion, but they decided not to participate together. Čermák played alongside Filip Polášek, but lost in the first round to Rameez Junaid and Philipp Marx. Mertiňák teamed up with André Sá, but lost in the quarterfinals to Victor Baluda and Konstantin Kravchuk.
Mikhail Elgin and Denis Istomin won the title, defeating Ken Skupski and Neal Skupski in the final, 6–2, 1–6, [14–12].
Martin Kližan was the defending champion, but withdrew before the tournament began.
Ernests Gulbis won the title, defeating Guillermo García-López in the final, 3–6, 6–4, 6–0.
Andreas Seppi was the defending champion, but lost in the semifinals to Mikhail Kukushkin.
Richard Gasquet won the title, defeating Kukushkin in the final, 4–6, 6–4, 6–4.
Nicolas Mahut was the defending champion and successfully defended his title, defeating Gilles Müller in the final, 6–4, 6–4.
Teymuraz Gabashvili was the defending champion, but decided not to defend his title.
Mikhail Kukushkin was the defending champion, but chose not to defend his title.
Novak Djokovic was the four-time defending champion, but withdrew with an elbow injury before the tournament began.
Konstantin Kravchuk was the defending champion but lost in the first round to Kwon Soon-woo.
Konstantin Kravchuk was the defending champion but lost in the second round to Marek Jaloviec.
Alexander Zverev was the two-time defending champion, but lost to Cristian Garín in the quarterfinals.
Tommy Paul defeated the defending champion, Denis Shapovalov, in the final, 6–4, 2–6, 6–4, to win the singles title at the 2021 Stockholm Open. This was Paul's first ATP Tour title.