![The Nitto ATP Finals and the Next Gen ATP Finals champions will play in Sofia Open 2018 - Sofia Open The Nitto ATP Finals and the Next Gen ATP Finals champions will play in Sofia Open 2018 - Sofia Open](https://sofiaopen.bg/wp-content/uploads/2018/11/rc_104f8c909f87c92e48806d19e89da7cda4237b57_xlarge.jpg)
The Nitto ATP Finals and the Next Gen ATP Finals champions will play in Sofia Open 2018 - Sofia Open
Sportizzle on X: "Tennis - The 2018 Sofia Open takes place on 5th Feb at the Arena Armeec in Sofia, Bulgaria as part of the ATP World Tour.@sofiaopentennis @ATPWorldTour @BritishTennis #tennis #sportizzle #
![Stan Wawrinka labours to beat Martin Klizan in Sofia, his second win of 2018 season | Tennis News - Hindustan Times Stan Wawrinka labours to beat Martin Klizan in Sofia, his second win of 2018 season | Tennis News - Hindustan Times](https://images.hindustantimes.com/rf/image_size_630x354/HT/p2/2018/02/09/Pictures/2018-australian-open-day-4_5fdb709c-0d5c-11e8-9ced-6b0f736beaca.jpg)