The ATP Tour officials say they are reviewing "allegations of racial prejudice" after Ryan Harrison and Donald Young exchanged words in the first set and had to be separated by the chair umpire during a changeover in play on Monday.
Arthur Ashe Stadium had been meticulously cleaned and was mostly empty. There were no echoes of "Vamos!" or "Forza!" remaining from another memorable night session at the U.S. Open, when, for the first time in more than 10 years, Rafael Nadal lost a match after winning the first two sets.
Donald Young waged a brave war and eventually managed to defeat Gilles Simon despite trailing him by two sets.
David Ferrer recovered from a sluggish start to down American qualifier Donald Young 6-7 (5/7), 6-3, 6-1.
Young India Davis Cupper Yuki Bhambri stumbled at the first step of the ATP China Open qualifiers, losing in straight sets to Donald Young, here.
Roger Federer began his campaign to win a record sixth US Open with a comfortable 6-3, 6-2, 6-4 victory on Monday over America's Donald Young, whose season of under-achievement hit another low.
Jurgen Melzer of Austria and Paul-Henri Mathieu of France both won in straight sets to reach the second round of the Monte Carlo Masters on Monday.
Top-seeded John Isner beat fellow American Donald Young 7-6 (3), 6-4 on Thursday to move to the quarterfinals of Regions Morgan Keegan Championships.
Fourth-ranked Andy Murray claimed his 19th career title in beating American Donald Young 6-2, 6-0 in the final of the Thailand Open at the Impact Arena in Muang Thong Thani on Sunday.
Andy Murray will have the experience edge when the top seed faces untested Donald Young in Sunday's final of the ATP Thailand Open.
France's Gael Monfils, returning to tennis after an injury layoff, reached the semi-finals of the ATP Thailand Open on Friday with a 7-5, 7-6 (7/4) win over Jarkko Nieminen.
Donald Young, who has spent six years becoming an American overnight sensation, finally came of age at the US Open on Sunday.
Former champion Lleyton Hewitt, Robby Ginepri, Ryan Harrison and Donald Young are among the seven players awarded wild cards into the men's draw at the U.S. Open.
American Donald Young reached the first ATP semi-final of his career on Friday by eliminating seventh-seeded Cypriot Marcos Baghdatis 6-3, 7-6 (7/4) at the $1.4 million ATP Washington Classic.
Controversial Americans Wayne Odesnik and Donald Young moved into the spotlight Monday at the ATP Washington Classic as World No. 8 Mardy Fish joined No. 12 Andy Roddick in withdrawing due to injury.
Donald Young reeled off 14 consecutive points in a surge that helped him to a 6-0, 6-3 win over New Zealand's Artem Sitak on Monday in the first round of the Legg Mason Tennis Classic - a tuneup event for the U.S. Open.
American tennis player Donald Young has apologized to the U.S. Tennis Association, saying he is sorry for the obscenity-laced message he posted on Twitter criticizing the American tennis federation.
Donald Young of the United States earned a 2-6, 6-3, 6-3 win over Potito Starace of Italy in a first-round match at the BNP Paribas Open on Thursday.