High Quality Content by WIKIPEDIA articles! The 2001 United States Open Championship was the 101st U.S. Open, played from June 14 to June 18 at Southern Hills Country Club in Tulsa, Oklahoma. The U.S. Open returned to Southern Hills for the first time since 1977. Retief Goosen won his first major championship in an 18-hole Monday playoff, two strokes ahead of runner-up Mark Brooks. The tournament was also notable for ending Tiger Woods`s "Tiger Slam" run of four consecutive major championship wins; Woods finished seven strokes back in a tie for twelfth. The total purse was $5 million with a winner`s share of $900,000.