Renovation work is being carried out on Becker's Mallorcan estate.
Boris Becker was slapped with two years and six months in prison.
Djokovic is "heartbroken" after his former coach Boris Becker was sent to prison.
Becker guided Djokovic to six of his 20 Grand Slam titles.
Becker ran into numerous problems over his Mallorcan estate.
Four squatters who took over the Artà estate that belonged to Boris Becker have lost their appeal and the eviction order imposed by a Manacor court has been upheld.
Last May the property was occupied by three Germans who claimed that they took care of the house and the land.
Becker's Mallorca villa caught up in court case.