Novak Djokovic of Serbia serves to Rafael Nadal of Spain during the men's final of the U.S. Open tennis tournament in New York
Novak Djokovic of Serbia serves to Rafael Nadal of Spain during the men's final of the U.S. Open tennis tournament in New York, September 12, 2011. Reuters

Top-seeded Novak Djokovic of Serbia won the first set of the U.S. Open men's final against defending champion Rafa Nadal 6-2 in blustery Flushing Meadows on Monday.

Both players had difficulty holding serve, with Djokovic doing a better job in windy conditions that topped 15 miles per hour at Arthur Ashe Stadium, winning the last six games of the opening set after falling behind 2-0.

Nadal took the early lead by breaking Djokovic in his first service game. The Spaniard scored on a sizzling run-around forehand winner that brushed the lines in the corner and got a 2-0 lead when the Serb made two straight backhand errors.

Second-seeded Nadal failed to consolidate his advantage when Djokovic broke right back in the next game. The Spaniard fell behind 0-40 and saved two break points before sending a forehand long to bring the set back on serve.

Nadal kept the pressure on top-seeded Djokovic's serve again in the fourth game but the Serb fought off three break points to hold, then broke the Spaniard for a 3-2 lead by belting an inside-out forehand winner.

Djokovic ended deep-hitting rallies twice with drop-shot winners on his way to breaking Nadal for a third straight time for a 5-2 lead before holding at love in the next game to clinch the first set.