 He appeared in 11 games in the Europa League round-of-16 run and, precisely in that stage, against S.C. Braga, he scored the only goal in the first leg at the Şükrü Saracoğlu Stadium; in the second match, he was sent off for two bookable offenses – the second of which resulted in a penalty – as his team had a further two players ejected in an eventual 4–2 aggregate loss.On 26 June 2019, the 33-year-old Topal left by mutual consent.On 26 August 2019, Topal joined İstanbul Başakşehir F.K.