Toro Rosso driver Carlos Sainz Jr. has described the mental challenge of Formula 1 as "horrible" and rejected claims the sport is easier than a decade ago.The Spaniard, part of an all-rookie lineup at STR alongside 17-year-old teammate Max Verstappen, says that while the sport is not as physically tough...

The challenges of Singapore's Marina Bay Street Circuit are well established, but there's far more complexity to the only Formula One night race than what happens out on track.In addition to coping with the humidity and duration of the Grand Prix, teams and drivers all operate on European time, meaning...