 Complete the following phrase:  By taking part in the first free practice at the 2014 Japanese Grand Prix, Verstappen became the youngest driver to take part in a Grand Prix weekend, as part of his preparation for a full-time place with Scuderia Toro Rosso in 2015. Verstappen became the youngest driver to start a World Championship race by joining the sport a year before the new licence restriction, in his Grand Prix debut as a full-time driver at the 2015 Australian Grand Prix at the age of   breaking Jaime Alguersuaris existing record by almost two years. In this first race, Verstappen ran in points-scoring positions until he was forced to retire due to an engine failure. However, at the subsequent race in Malaysia, Verstappen qualified sixth and finished the race in seventh place, scoring his first Formula One points aged , breaking the record of youngest driver to score World Championship points. After that he then failed to finish with points in 