The former Real Madrid coach, who took over on July 1, is without many of his big guns for their pre-season tour and played 60 minutes with a side full of youth at Stadium Australia.It was a seesawing affair, with Chelsea coming from behind three times.Kazakh 17-year-old Dastan Satpaev lashed home on his debut in the sixth minute, but Chelsea then conceded twice with their defence run ragged before Portugal youth international Dario Essugo made it 2-2.The Sydney side again then went 3-2 and 4-3 ahead in the second half before Pedro's heroics.It was a confidence-boost for Alonso, who faces a huge task to get Chelsea back in the running for major honours after their 10th place finish last season and failure to make Europe.An even tougher test will come on Saturday when they meet London rivals Tottenham Hotspur at the same venue before further friendlies in Hong Kong, Indonesia and Malaysia. Chelsea have made four key summer signings so far as they rebuild -- attacking midfielder Morgan Rogers, winger Geovany Quenda, defender Marco Palestra and striker Emmanuel Emegha Only Italy's Palestra, who arrived from Serie A side Atalanta, is on the tour with their World Cup players also absent, including England's Reece James and Argentina's Enzo Fernandes.