Novak Djokovic stunned by Aslan Karatsev in Serbia Open semi-finals
World No 1 Novak Djokovic experienced a shock defeat at the Serbia open semi final has he was defeated at by Russia's Aslan Karatsev.
After having tasted his first defeat of the year against Dan Evans at the Monte Carlo Masters last 16 early this month, the Serbian experienced his second at home.
The match which took place on Saturday see World No 28 Karatsev edge past Djokovic 7-5 4-6 6-4 in three sets in Belgrade.
The 27-year-old Russian will now face Matteo Berrettini in the final after the Italian saw off Japan's Daniel Taro.