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| 2003 NASDAQ-100 Open | |
|---|---|
| Date | March 17 – 30 |
| Edition | 19th |
| Category | ATP Masters Series (men) Tier I Series (women) |
| Surface | Hard / Outdoor |
| Location | Key Biscayne, Florida, U.S. |
| Venue | Tennis Center at Crandon Park |
| Champions | |
| Men's singles | |
 Andre Agassi[1] | |
| Women's singles | |
| Serena Williams | |
| Men's doubles | |
 Roger Federer / Max Mirnyi[2] | |
| Women's doubles | |
 Liezel Huber / Magdalena Maleeva | |
The2003 NASDAQ-100 Open was atennis tournament played onoutdoor hard courts. It was the 19th edition of theMiami Masters and was part of theTennis Masters Series of the2003 ATP Tour and ofTier I of the2003 WTA Tour. Both the men's and women's events took place at theTennis Center at Crandon Park inKey Biscayne, Florida in theUnited States from March 17 through March 30, 2003.
Andre Agassi defeated
Carlos Moyá 6–3, 6–3
Serena Williams defeatedJennifer Capriati 4–6, 6–4, 6–1
Roger Federer /Max Mirnyi defeated
Leander Paes /
David Rikl 7–5, 6–3
Liezel Huber /Magdalena Maleeva defeated
Shinobu Asagoe /Nana Miyagi 6–4, 3–6, 7–5