Mark Anderson closed fast with an eagle and three birdies over his last four holes to post a 7-under 64 for a one-stroke lead over first-year Web.com Tour member and former TCU player Franklin Corpening after three rounds of the BMW Charity Pro-Am in Greenville, S.C.Anderson’s three-round score of 21-under 194 is a tournament record and the best first-54-hole score on the 2013 tour. Corpening, a Fort Worth Paschal grad and the 36-hole leader, shot a 67. Tom Hoge, a friend of Corpening’s and fellow TCU alum, and Kevin Foley, who had the low round of 9-under 62, both trail Anderson by three strokes.Bathroom breakGraeme McDowell reached the Volvo World Match Play Championship semifinals in Kavarna, Bulgaria, with a victory over Nicolas Colsaerts, the defending champ who took a penalty drop inside a restroom.McDowell rallied to win 2 and 1 over his European Ryder Cup teammate and will face Branden Grace, a 2 and 1 winner over Chris Wood. In the other semifinal, Thomas Aiken will meet Thongchai Jaidee. Aiken topped Francesco Molinari 3 and 2, and Jaidee beat Scott Jamieson 4 and 3.Colsaerts had the most memorable moment of the day when his tee shot on the short par-4 10th flew into a hazard behind a public restroom in a brick building close to the green.Because of where the ball crossed the hazard line, tournament officials ruled that the penalty drop must be made within the restroom itself, leading to a comical moment . Because it was considered an immovable obstruction he was then given free relief to play from outside, and saved par to halve the hole.Briefly• LPGA Tour: Chella Choi shot her second straight 6-under 66 to take a one-stroke lead over Jessica Korda and Anna Nordqvist, the Swede who broke the course record with a 61 in the Mobile Bay (Ala.) LPGA Classic. Choi twice made three straight birdies to move to 17 under, and has made only two bogeys in three rounds. Hall of Famer Karrie Webb was two strokes back after a 69.• European Tour: Chile's Mark Tullo shot a 4-under 68 to take a one-shot lead after the third round of the Madeira Islands Open in Portugal. Tullo was 12 under on the Santo da Serra course. American Peter Uihlein and Scotland's Craig Lee were tied for second. Uihlein, the former Oklahoma State star who won the 2010 U.S. Amateur, had a 69, and Lee shot 70.