![50 for 50: Lleyton Hewitt, 2001 men's singles champion - Official Site of the 2023 US Open Tennis Championships - A USTA Event 50 for 50: Lleyton Hewitt, 2001 men's singles champion - Official Site of the 2023 US Open Tennis Championships - A USTA Event](https://photo-assets.usopen.org/images/pics/large/f_LleytonHewitt.jpg)
50 for 50: Lleyton Hewitt, 2001 men's singles champion - Official Site of the 2023 US Open Tennis Championships - A USTA Event
![Tennis Channel on Twitter: "On November 19, 2001, 20-year-old @lleytonhewitt became the youngest world No. 1 in ATP history. Hewitt and Marat Safin are the only men to reach the top of Tennis Channel on Twitter: "On November 19, 2001, 20-year-old @lleytonhewitt became the youngest world No. 1 in ATP history. Hewitt and Marat Safin are the only men to reach the top of](https://pbs.twimg.com/media/FEhDdPZVkAI5M2r.jpg:large)
Tennis Channel on Twitter: "On November 19, 2001, 20-year-old @lleytonhewitt became the youngest world No. 1 in ATP history. Hewitt and Marat Safin are the only men to reach the top of
![Australia's Pat Rafter plays a forehand volley during his semifinal loss to Andre Agassi of the U.S. at the Australian Open in Melbourne January 25, 2001. Agassi, the defending champion and sixth Australia's Pat Rafter plays a forehand volley during his semifinal loss to Andre Agassi of the U.S. at the Australian Open in Melbourne January 25, 2001. Agassi, the defending champion and sixth](https://c8.alamy.com/comp/2D3B1EM/australias-pat-rafter-plays-a-forehand-volley-during-his-semifinal-loss-to-andre-agassi-of-the-us-at-the-australian-open-in-melbourne-january-25-2001-agassi-the-defending-champion-and-sixth-seed-won-in-five-sets-7-5-2-6-6-7-6-2-6-3-mdbcp-2D3B1EM.jpg)
Australia's Pat Rafter plays a forehand volley during his semifinal loss to Andre Agassi of the U.S. at the Australian Open in Melbourne January 25, 2001. Agassi, the defending champion and sixth
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