Duel of landscape gardener - my green paradise S02 E05 A modern garden for the Klein family

The garden of the Klein family from Mariendorf (Berlin-Schöneberg) was previously very overgrown and exuded the charm of the 70s. Now it should be modernized and fit the Bauhaus style of the house from 1956. Which of the two garden professionals Frank Riese and Marius Surmann will win the duel?