"Sometimes you get very frustrated on court and it's tough to control that, and sometimes I do a mistake. So it's very tough to end a final like that," he said.
London police said they were investigating a complaint of assault filed against Nalbandian, who was defaulted from Sunday's match against Marin Cilic in the grass-court Wimbledon warm-up event.
Elsewhere: Melanie Oudin of the United States won her first WTA tournament, defeating Jelena Jankovic, 6-4, 6-2, in the rain-delayed final of the Aegon Classic in Birmingham, England. . . . U.S. Open champion Sam Stosur lost in the opening round of the Unicef Open, falling, 7-6 (7), 6-3, to Kirsten Flipkens of Belgium in Den Bosch, Netherlands. . . . Marcos Baghdatis beat eighth-seeded Pablo Andujar of Spain, 6-1, 6-1, in the first round of the Aegon International in Eastbourne, England. Daniela Hantuchova of Slovakia downed Anne Keothavong of Britain, 6-2, 6-3, and Alexandra Wozniak of Canada outlasted Galina Voskoboeva of Kazakhstan, 6-3, 4-6, 7-6 (5).
ARENA FOOTBALL: The East Division champion Soul (11-3) clinched home-field advantage in the American Conference playoffs with their 62-27 win over Jacksonville on Saturday. On Sunday, the league reached a collective- bargaining agreement with its players.
GOLF: The U.S. Open's return to prime time boosted its television ratings. Sunday's final round attracted 29 percent more viewers than last year, when the coverage started earlier with the tournament on the East Coast, NBC said.
JURISPRUDENCE: According to former NBA official Tim Donaghy, a Florida jury on Friday awarded him $1.3 million in his civil suit against Shawna Vercher and her now-defunct company VTi Group, which published Donaghy's book.
Donaghy said Vercher failed to pay him nearly $250,000 in revenue from his book, Personal Foul: A First-Person Account of the Scandal that Rocked the NBA.
Donaghy's lawyer, Nicholas Mooney, said the jury sided with Donaghy, a Cardinal O'Hara and Villanova grad, on all counts.
COLLEGES: Rowan named Dan Gilmore its athletic director, replacing the retired Joy Solomen. He has been the Profs men's soccer coach for 36 years and has compiled a 537-167-57 record. . . . Mississippi Valley State moved interim men's basketball coach Chico Potts into the position permanently, replacing Sean Woods, who left for Morehead State. . . . Northern Arizona named Arizona assistant Sue Darling to lead its women's basketball program. Darling replaces Laurie Kelly, who resigned in April. Darling is a former head coach at Air Force. . . . Grambling gave coach Doug Williams a new three-year contract worth $250,000 annually with the opportunity to earn bonuses totaling nearly $100,000. - Staff and wire reports