SHANGHAI, Sept. 12 -- FOR those who thought the US-DPRK matchup might be the best of the Women's World Cup, they weren't disappointed.

The 35,000 fans in Chengdu got full value with yesterday's 2-2 draw, the United States rallying on Heather O'Reilly's 69th minute goal in the Group B opener for both teams.

It was end-to-end. It was counterattacking. And it was the two quickest teams in the world facing each other: the No. 1-ranked Americans against Asia's best team.

"I hope you enjoyed the game as much as I did," US coach Greg Ryan said. "It was two great teams. North Korea is a fantastic team."

"There were chances for the US to win and for North Korea to win," Ryan added. "We knew what a difficult group this would be - and it is proving to be very difficult."

The Koreans scored twice while the US was a player short for several minutes in the second half, before O'Reilly tied the score with a shot from about 10 meters into the top corner of the net.

The United States extended its unbeaten streak to 47 games spanning 2 1-2 years under Ryan.

Played in a light rain at Chengdu Sports Center Stadium, the match had the feel of a final rather than a mere opener in group play. The final of the 16-team tournament is on September 30 in Shanghai.

Abby Wambach gave the US a 1-0 lead in the 50th minute with a long-range shot that goalkeeper Jon Myong-hui got her gloves to but was only able to deflect into the net.

Minutes later, Wambach knocked heads with another player in a scramble around goal and exited the field with blood pouring from her face, leaving the Americans with 10 players.

North Korea scored twice in her absence. Ryan made a decision not to replace her, which he almost regretted.

"It was a very tough call," he said. "The doctor said they could get her back within just a few minutes. Abby is such an important player to this team. I thought we could withstand playing 11 against 10.

"I'm just glad we got that last one after giving up the two."

Kil Son-hui benefited from a goalkeeping error, as Hope Solo let a long shot slip through her hands in the wet conditions in the 58th minute. In the 62nd, Kim Yong-ae pouncing on a rebound and shot it past Solo.

Wambach came back on in the 65th minute, and her return seemed to calm things for the Americans. O'Reilly scored minutes later with a clever shot using the outside of her boot.

"The US is the best in the world, but today they didn't perform to their maximum," DPRK coach Kim Kwang-min said. "This gave us a chance to see our level, and if we meet the Americans a next time we will have the tactics to beat the Americans.

"We are marching toward the target of a world title," he added.

Group B is the toughest in the World Cup with world No. 3 Sweden and African champion Nigeria also playing for a spot in the quarterfinals. The Americans face Sweden on Friday and North Korea plays Nigeria.

Despite its poise, the US looked unnerved at times. North Korea pressed the Americans in the first half like few teams have.

Keeping the ball on the slick turf, Ri Kum-suk lashed several shots just wide of Solo. Kim Yong-ae and Kim Kyong-hwa joined Ri, putting a half dozen more shot on goal that required saves.

The Koreans always counterattacked, seldom waiting for a slow buildup. The Americans had trouble keeping possession, but still managed threats in spurts. They looked dangerous on several corners and freekicks. In open play, Lori Chalupny and Heather O'Reilly tested Jon twice early in the game, and long crosses in from Cat Whitehill tensed up the Korean defense.

The best chance for the United States - maybe the best for either team in the first half - came in the 40th minute. Off a corner kick from Stephanie Lopez, Wambach's header went off the crossbar behind Jon and dropped inches in front of goal before it was cleared.