Let's take a look at the Top 10 biggest upsets of 2020. Lorenzo Sonego became extremely lucky in the Vienna Open when he ... most of it by taking down Novak Djokovic in a stunning quarterfinal.

In one of the most shocking upsets in recent history, lucky loser ousted world No. 1 Novak Djokovic in Vienna ... until he got his second chance in Vienna, Sonego was riding a 10-match losing ...

Novak Djokovic’s recent woes continued as the Serbian was stunned by world No 85 Botic van de Zandschulp in his opening ...