Ronger Fengerer's Articles:

• Federer/Nadal Four Years at The Top, Thanks to The "Djoker"
• Rogers Cup: The Top Six
• The Power Ranking System
• Men's Tennis Power Ranking: Roger Federer in Top Form
• U.S. Open: Getting to Know Li Na
• The Era of "Fab Five" Is Upon Us
• Women's Tennis Power Ranking: Kim Clijsters Still the Queen
• Men's Tennis Power Ranking: The Rise of "The Machine"
• Final Men's Tennis Power Rankings of 2009: All Hail the Iron King!
• Near Misses: David Nalbandian vs. Rafael Nadal, Indian Wells 2009
• Men's Tennis Power Rankings: Sam Querrey Edges Roger Federer on Top
• Women's Tennis Power Rankings: Williams Sisters Still On Top
• Men's Tennis Power Rankings: Andy Roddick Is the New Power King