ATP Sofia Open
{{Infobox tennis tournament
| name = Sofia Open
| type = defunct
| current =
| founded = 2016
|abolished = 2023
| editions = 8 (2023)
| city = Sofia
| country = Bulgaria
| venue = Arena Sofia
| category = ATP World Tour 250 series
| event name = Sofia Open
| tour = ATP World Tour
| draw = 28{{abbr|S|Singles}} / 16{{abbr|Q|Qualification}} / 16{{abbr|D|Doubles}}
| surface = Hard (indoor)
Proflex (2016–2019)
Acrylic on Wood (2020–current)
| prize money = {{€|562,815|link=yes}} (2023)
| website = [https://sofiaopen.bg/?lang=en sofiaopen.bg]
| completed event = 2023
| singles = {{flagicon|FRA}} Adrian Mannarino
| doubles = {{flagicon|ECU}} Gonzalo Escobar
{{flagicon|KAZ}} Aleksandr Nedovyesov
}}
The Sofia Open is a men's ATP World Tour 250 series tournament played on indoor hard courts. It was held for the first time as part of the 2016 ATP World Tour.{{cite web | url=http://www.novinite.com/articles/171178/Bulgaria+to+Host+ATP+250+Tournament+in+Sofia+in+February+2016 | title=Sofia hosts new 250 level event | access-date=20 January 2016}} In 2023 the tournament was held for one additional year, replacing the Tel Aviv Open, which was cancelled due to the outbreak of war in the region.{{cite web | url=https://www.atptour.com/en/news/sofia-2023-announcement | title=ATP Announces ATP 250 Event in Sofia | ATP Tour | Tennis }} The tournament took place at the Arena Sofia in Sofia, Bulgaria.{{cite web | url=https://www.atptour.com/en/tournaments/sofia/7434/overview | title=Sofia | Overview | ATP Tour | Tennis }}
Finals
=Singles=
| class="sortable wikitable"
!style="width:40px"|Year !style="width:200px"|Champions !style="width:200px"|Runners-up !style="width:150px" class="unsortable"|Score | |||
| 2016 | {{flagicon|ESP}} Roberto Bautista Agut | {{flagicon|SRB}} Viktor Troicki | 6–3, 6–4 |
| 2017 | {{flagicon|BUL}} Grigor Dimitrov | {{flagicon|BEL}} David Goffin | 7–5, 6–4 |
| 2018 | {{flagicon|BIH}} Mirza Bašić | {{flagicon|ROU}} Marius Copil | 7–6(8–6), 6–7(4–7), 6–4 |
| 2019 | {{flagicon|RUS}} Daniil Medvedev | {{flagicon|HUN}} Márton Fucsovics | 6–4, 6–3 |
| 2020 | {{flagicon|ITA}} Jannik Sinner | {{flagicon|CAN}} Vasek Pospisil | 6–4, 3–6, 7–6(7–3) |
| 2021 | {{flagicon|ITA}} Jannik Sinner (2) | {{flagicon|FRA}} Gaël Monfils | 6–3, 6–4 |
| 2022 | {{flagicon|SUI}} Marc-Andrea Hüsler | {{flagicon|DEN}} Holger Rune | 6–4, 7–6(10–8) |
| 2023 | {{flagicon|FRA}} Adrian Mannarino | {{flagicon|GBR}} Jack Draper | 7–6(8–6), 2–6, 6–3 |
=Doubles=
| class="sortable wikitable"
!style="width:40px"|Year !style="width:200px"|Champions !style="width:200px"|Runners-up !style="width:150px" class="unsortable"|Score | |||
| 2016 | {{flagicon|NED}} Wesley Koolhof {{flagicon|NED}} Matwé Middelkoop | {{flagicon|AUT}} Philipp Oswald {{flagicon|CAN}} Adil Shamasdin | 5–7, 7–6(11–9), [10–6] |
| 2017 | {{flagicon|SRB}} Viktor Troicki {{flagicon|SRB}} Nenad Zimonjić | {{flagicon|RUS}} Mikhail Elgin {{flagicon|RUS}} Andrey Kuznetsov | 6–4, 6–4 |
| 2018 | {{flagicon|NED}} Robin Haase {{flagicon|NED}} Matwé Middelkoop (2) | {{flagicon|CRO}} Nikola Mektić {{flagicon|AUT}} Alexander Peya | 5–7, 6–4, [10–4] |
| 2019 | {{flagicon|CRO}} Nikola Mektić {{flagicon|AUT}} Jürgen Melzer | {{flagicon|TPE}} Hsieh Cheng-peng {{flagicon|INA}} Christopher Rungkat | 6–2, 4–6 [10–2] |
| 2020 | {{flagicon|GBR}} Jamie Murray {{flagicon|GBR}} Neal Skupski | {{flagicon|AUT}} Jürgen Melzer {{flagicon|FRA}} Édouard Roger-Vasselin | Walkover |
| 2021 | {{flagicon|GBR}} Jonny O'Mara {{flagicon|GBR}} Ken Skupski | {{flagicon|AUT}} Oliver Marach {{flagicon|AUT}} Philipp Oswald (2) | 6–3, 6–4 |
| 2022 | {{flagicon|BRA}} Rafael Matos {{flagicon|ESP}} David Vega Hernández | {{flagicon|GER}} Fabian Fallert {{flagicon|GER}} Oscar Otte | 3–6, 7–5, [10–8] |
| 2023 | {{flagicon|ECU}} Gonzalo Escobar {{flagicon|KAZ}} Aleksandr Nedovyesov | {{flagicon|GBR}} Julian Cash {{flagicon|CRO}} Nikola Mektić | 6–3, 3–6, [13–11] |