Possible Clues:

• Concert series with curated lineups: Abbr
• Org. for Andy Murray
• Cellular energy chemical, briefly
• Biochemical energy source, for short
• Org. for Andy Roddick
• Metabolic energy-transporting compound, briefly
• Netmen's gp.
• Nadal's org.
• Need for muscle contraction, briefly
• WTA's counterpart