[4] On 2 October 2015, Gashi beat Hungarian Andras Csomor for the vacant German International and WBC Baltic Silver heavyweight titles with a fourth-round corner retirement (RTD).

[8] On 1 December 2018, in his first fight back following the loss to Schwarz, Gashi defeated Argentinian Ruben Angel Mino by a first-round knockout, for the vacant UBF International and GBU interim Continental heavyweight titles.

[9] On 22 December 2018, Gashi faced former world title challenger Carlos Takam at the O2 Arena in London with the bout taking place on the undercard of Dillian Whyte vs. Derek Chisora II on Sky Sports Box Office.

Gashi switched southpaw from the opening bell, landing an effective counter punch in the second but Chisora connected with a good body shot in the third and took control of the fight.

[11] On 27 July 2019, Gashi defeated Ervin Dzinic by a first-round TKO, for the vacant GBF world and UBF European heavyweight titles in Tetovo.