The Tilia Slovenia Open is a professional tennis tournament played on outdoor hard courts in Portorož, Slovenia with 1st edition on 2013. It is currently part of the ATP Challenger Tour. It is held on courts of the Sports-Recreational center Marina Portorož at Tennis club Portorož.

Year	Champion	Runner-up	Score
2019	Aljaž Bedene	Viktor Durasovic	7–5, 6–3
2018	Constant Lestienne	Andrea Arnaboldi	6–2, 6–1
2017	Sergiy Stakhovsky	Matteo Berrettini	6–7(4–7), 7–6(8–6), 6–3
2016	Florian Mayer	Daniil Medvedev	6–1, 6–2
2015	Luca Vanni	Grega Žemlja	6–3, 7–6(8–6)
2014	Blaž Kavčič	Gilles Müller	7–5, 6–7(4–7), 6–1
2013	Grega Žemlja	Martin Fischer	6–4, 7–5

Year	Champions	Runners-up	Score
2019	Teymuraz Gabashvili Carlos Gómez-Herrera	Lucas Miedler Tristan-Samuel Weissborn	6–3, 6–2
2018	Gerard Granollers Lukáš Rosol	Nikola Ćaćić Lucas Miedler	7–5, 6–3
2017	Hans Podlipnik Castillo Andrei Vasilevski	Lukáš Rosol Franko Škugor	6–3, 7–6(7–4)
2016	Sergey Betov Ilya Ivashka	Tomislav Draganja Nino Serdarušić	1–6, 6–3, [10–4]
2015	Fabrice Martin Purav Raja	Aliaksandr Bury Andreas Siljeström	7–6(7–5), 4–6, [18–16]
2014	Sergey Betov Aliaksandr Bury	Ilija Bozoljac Flavio Cipolla	6–0, 6–3
2013	Marin Draganja Mate Pavić	Aljaž Bedene Blaž Rola	6–3, 1–6, [10–5]

• Official website
• Live Webcam Panorama on Centre Court in Portorož, Slovenia