Nistrup five shots from lead in tournament

ESTONIA — LSU women’s golfer Caroline Nistrup is at an even-par 144 after two rounds of the European Women’s Amateur Championship at the Estonia Golf and Country Club.

Nistrup, who is playing for Denmark, followed a 2-under 70 on Wednesday with a 2-over 74 in a tie for 16th. She is five shots out of the lead with 36 holes to play.

LSU’s Nadine Dreher, representing Austria, has posted rounds of 75-77 and is at 8-over 152, good for a tie for 83rd place.

The field will be cut to the low 60 and ties after Friday’s third round.

LSU’s Martin advances to 200-meter final

EUGENE, Ore. — LSU freshman Jada Martin will compete in the women’s 200-meter final on Friday at the 2014 IAAF World Junior Championships after advancing in Thursday’s qualifying rounds of the event at Oregon’s Hayward Field.

After winning her preliminary heat with a run of 23.62 (+0.1) earlier in the day, Martin dropped her time to 23.57 (+1.2) in the semifinals to finish runner-up to Ecuador’s Angela Tenorio (23.16) in the second of three heats with the seventh-fastest time among the eight sprinters advancing to the final in the event.

Martin will compete in the final Friday at 9:55 p.m.

LSU recruit Daeshon Gordon will compete for Jamaica in the prelims of the women’s 100-meter hurdles at 1 p.m. Friday.

Wallace Jr. wins Mudsummer Classic

ROSSBURG, OHIO — Darrell Wallace Jr. won the Mudsummer Classic late Wednesday night on the dirt at Eldora Speedway for his second Camping World Truck Series victory of the year.

Wallace took the lead from Kyle Larson on the final restart on the half-mile oval and held on for his third career series victory. He gave Kyle Busch Motorsports its eighth victory in the first 10 races of the season. In addition to Wallace, Busch has won in all five of his starts and Erik Jones also has won for the team.

Larson repeatedly hit the outside wall after giving up the lead, finally damaging his truck so much that he slowed to a crawl and stopped while running second with two laps left. He ended up 26th.

Ron Hornaday took advantage of Larson’s problems to finish second. Ryan Blaney was third, followed by Ken Schrader, Ty Dillon, John Hunter Nemechek, Jeb Burton, Johnny Sauter, Matt Crafton and Austin Dillon.

Wallace led 97 of 150 laps in NASCAR’s lone dirt race in its top three series.

Wallace won last year at Martinsville to join Wendell Scott as the only black winners on NASCAR’s national level, and took the race at Gateway last month.

Toyota extended its winning streak to 12 races.

De Bakker reaches Atlanta Open quarters

ATLANTA — Dutchman Thiemo de Bakker beat second-seeded Kevin Anderson of South Africa 6-4, 7-5 on Thursday night in the rain-delayed second round of the Atlanta Open to advance to the quarterfinals.

De Bakker retired from his final qualifying match because of a sore neck and still made the field as one of three “Lucky Losers” following the late withdrawals of Gaels Monfils, Richard Gasquet and Radek Stepanek.

De Bakker, ranked 142nd in the world, overcame a 5-3 deficit in the second set.

Ben Becker of Germany also had an upset win, topping seventh-seeded Yen-hsun Lu of Taiwan 6-4, 6-3.

In late matches, topped John Isner faced follow American Robby Ginepri, and eighth-seeded Marinko Matosevic of Australia played Tim Smyczek of the United States.

Youzhny advances at Swiss Open

GSTAAD, Switzerland — Top-seeded Mikhail Youzhny began his Swiss Open title defense by beating Kenny De Schepper of France 6-3, 6-4 in a second-round match on Thursday.

The 19th-ranked Russian forced a single service break in each set and denied De Schepper any chances to break back. The French left-hander sent down seven aces but had six double faults.

In the quarterfinals on Friday, Youzhny faces the player he beat in the title match last year, Robin Haase of the Netherlands.

Seventh-seeded Haase had a tougher time in the Swiss mountains beating local wild card Henri Laaksonen 6-4, 1-6, 7-5.

Viktor Troicki eased into the last eight with a 6-3, 6-4 win against Andrey Golubev .

of Kazakhstan.

Troicki next plays fourth-seeded Fernando Verdasco of Spain or 78th-ranked Jan-Lennard Struff of Germany. Their match was tied at 3-6, 6-3, 1-1 when rain suspended play.

Mayer withdraws from U.S. Open

NEW YORK — Florian Mayer has pulled out of the U.S. Open.

The 62nd-ranked German hasn’t played since March, when he withdrew from his match against Novak Djokovic at Key Biscayne because of a groin injury. He missed the French Open and Wimbledon. His withdrawal from the U.S. Open was announced Thursday.

The 30-year-old Mayer’s best Grand Slam finish was twice reaching the quarterfinals at Wimbledon. He has never advanced past the third round at Flushing Meadows. Mayer has been ranked as high as 18th.

Bouchard backs out of next week’s Citi Open

WASHINGTON — Wimbledon runner-up Eugenie Bouchard withdrew Thursday from the Citi Open next week.

Tournament officials didn’t provide a reason for Bouchard’s decision to pull out of the Washington event. She hasn’t played on tour since losing to Petra Kvitova in the final at Wimbledon on July 5.

Ranked No. 7 in the world, the 20-year-old Canadian has made three previous appearances in the Washington event.

Wimbledon semifinalist Lucie Safarova will replace Bouchard as the Citi Open’s top seed.