Serena Williams will meet Danka Kovinic in the first round of the U.S. Open on Monday night from the Arthur Ashe Court in Flushing, Queens. This will be the last U.S. Open that Serena Williams will be participating in as she plans to retire at the end of the tournament. She will begin her final farewell tour tonight in Round 1 of the Open. This should be a great start to the tournament, here is everything you need to know to catch all the action. Serena Williams vs. Danka Kovinić When: Monday, August 29 Time: 7:00 p.m. ET TV Channel:…