Sebastian Rieschick). He reached the quarterfinals of the Australian Open juniors tournament (losing to Florin Mergea) and won the doubles title at the Victorian Junior Championships (with Josselin Ouanna). He was No. 21 in junior rankings at the end of the year. 2004 In 2004, the French teenager finished as the world's No. 1 junior, winning the first three of four junior Grand Slam events (Australian Open, French Open and Wimbledon). He improved his ATP Entry Ranking by over 700 positions. In October, he made his ATP debut as a wildcard entrant at the Moselle Open in Metz and, after winning his first ATP match against Xavier Malisse, reached the quarterfinals in which he lost to countryman Richard Gasquet. He qualified for the 2004 Paris Masters and reached the second round, beating former Top 10 player Thomas Enqvist before falling to world No. 3 Lleyton Hewitt. He won junior titles at the Australian Open, French Open (defeating Alex Kuznetsov) and Wimbledon. He did not drop a set in Australia and lost one set each at the French Open and Wimbledon. He reached the third round at the US Open (losing to Viktor Troicki). He also won the LTA International Junior Championship in Roehampton (defeating Andy Murray). He was the runner-up at the Australian Hardcourt Junior Championships (losing to Mischa Zverev) and was 31–2 in junior events. In April, he reached his first career Futures final at the Italy Futures No. 4. A week later, he won his first Futures title at the Great Britain Futures No. 1 (defeating Alex Bogdanović). He reached the quarterfinals of the Grenoble Challenger. He went 14–6 in Futures and 3–5 in Challengers in 2004. In doubles, Monfils reached the final the at France Futures No. 7 (with Ouanna). He reached the semifinals at the Australian Open and the quarterfinals at the French Open (with Ouanna). Junior Grand Slam results - Singles: Australian Open: W (2004) French Open: W (2004) Wimbledon: W (2004) US Open: 3R (2004) Junior Grand Slam results - Doubles: Australian Open: SF (2004) French Open: QF (2004) Wimbledon: A (-) US Open: A (-) Professional career 2004: ATP debut and quarterfinal Monfils officially turned pro in 2004 at the age of 17. He solely played ITF Futures events from early 2003 to mid 2004 winning two titles. Monfils made his ATP debut at the 2004 Open de Moselle after receiving a wildcard