As a junior player, Gabe had the opportunity to play on both the Swedish and Australian circuits. In his early years, Gabe went on to win many junior events, including the prestigious Doug Sanders Junior International in Scotland in 1989. In addition, he won the 1990 Eisenhower Trophy for Sweden at The World Amateur Team Championships. At 19 Gabe turned pro, The same year he earned the Australian Tour Rookie of the Year Award.