| Schedule | Prize Money | Players List | Draws | Past Champions |
Singles
Seeds
- Italy Lorenzo Musetti (second round)
- France Adrian Mannarino (champion)
- Germany Jan-Lennard Struff (semifinals)
- Argentina Sebastián Báez (second round, retired)
- Australia Alexei Popyrin (withdrew)
- Australia Max Purcell (second round)
- Austria Sebastian Ofner (quarterfinals)
- Hungary Márton Fucsovics (quarterfinals)
- Serbia Miomir Kecmanović (first round)
France Adrian Mannarino def. United Kingdom Jack Draper, 7–6(8–6), 2–6, 6–3
Doubles
Seeds
- Belgium Sander Gillé / Belgium Joran Vliegen (first round)
- United States Nathaniel Lammons / United States Jackson Withrow (first round)
- United Kingdom Julian Cash / Croatia Nikola Mektić (final)
- Austria Alexander Erler / Austria Lucas Miedler (first round)
Ecuador Gonzalo Escobar / Kazakhstan Aleksandr Nedovyesov def. United Kingdom Julian Cash / Croatia Nikola Mektić 6–3, 3–6, [13–11]
2020 Sofia Open
Singles
Seeds
- Canada Denis Shapovalov (Second round)
- Canada Félix Auger-Aliassime (Second round)
- Australia Alex de Minaur (Quarterfinals)
- Germany Jan-Lennard Struff (Second round)
- France Adrian Mannarino (Semifinals)
- Australia John Millman (Quarterfinals)
- Georgia (country) Nikoloz Basilashvili (First round)
- Croatia Marin Čilić (First round)
Italy Jannik Sinner def. Canada Vasek Pospisil, 6–4, 3–6, 7–6(7–3)
Doubles
Seeds
- Austria Jürgen Melzer / France Édouard Roger-Vasselin (Final, withdrew)
- United Kingdom Jamie Murray / United Kingdom Neal Skupski (Champions)
- Australia Max Purcell / Australia Luke Saville (First round)
- Belgium Sander Gillé / Belgium Joran Vliegen (First round)
United Kingdom Jamie Murray / United Kingdom Neal Skupski def. Austria Jürgen Melzer / France Édouard Roger-Vasselin, walkover
2019 Sofia Open Tennis Draws
Singles
Russia Daniil Medvedev def. Hungary Márton Fucsovics, 6–4, 6–3
Doubles
Croatia Nikola Mektić / Austria Jürgen Melzer def. Chinese Taipei Hsieh Cheng-peng / Indonesia Christopher Rungkat, 6–2, 4–6, [10–2]
2018 Diema Xtra Sofia Open Tennis Draws
Singles
Bosnia and Herzegovina Mirza Bašić def. Romania Marius Copil, 7–6(8–6), 6–7(4–7), 6–4
Doubles
Netherlands Robin Haase / Netherlands Matwé Middelkoop def. Croatia Nikola Mektić / Austria Alexander Peya, 5–7, 6–4, [10–4]