Buuxi weedha soo socota: 28 Noofambar 2014, Williams waxay ku dhawaaqday in Wolff ay la joogi doonto kooxda xilli ciyaareedka 2015 iyada oo doorka la xoojiyay ee darawalka tijaabada ah, iyada oo booskeeda la ballaariyay oo ay ku jiraan laba jimce oo jimce ah iyo laba tijaabo. Kadib markii uu ku tartamayay tijaabada horudhaca ah ee Formula One, Wolff wuxuu sameeyay 1: 29.708 wareeg oo ku saabsan fadhiga tababarka ugu horeeya ee
Spanish Grand Prix oo dib ugu soo laabtay qolka tababarka ee tababarka ee British Grand Prix, isagoo diiwaan galiyay 1:37.242 oo ah booska 13aad ee sharafta leh ee 20 baabuur.