German midfielder shows delight on Facebook.
Tottenham Hotspur lost three times to London rivals West Ham United during the 2013-14 season.
However, Spurs began the new Premier League campaign by beating the Hammers 1-0 at Upton Park on Saturday.
Debutant Eric Dier scored the winner for the visitors in second-half stoppage time, after both teams had been reduced to 10 men.
The game also saw a pitch invader enter the field of play and take a free-kick.
Tottenham midfielder Lewis Holtby was delighted at the final whistle.
Later on Saturday evening, he upload the below picture and message to Facebook.