Top seed John Isner was ousted from the ATP Citi Open in Washington DC on Friday, paying the price for squandering leads in two tie-breakers. Isner unleashed a 29-ace barrage at US fifth seed Steve Johnson, but failed to capitalise on five set points in the first set and seven in the second in falling 7-6 (9-7) 7-6 (17-15).Those were very easily tie-breakers I could have won but I didnt, said Isner. I had countless chances. I did a lot of really great things. I put more pressure on him than he did on me. It didnt pay off. Isner made his first double fault on the penultimate point, then smacked a forehand wide to hand Johnson the victory after an hour and 57 minutes, the last 23 minutes of it in the tension-packed tie-breaker.I shot myself in the foot in the second set, he said. A double fault in the penultimate point sent Isner on his way to being knocked out Johnson fired 22 aces of his own, denied Isner on six break points and took his second win in six meetings with Isner.He was serving extremely well, Johnson said. I didnt have any break points. I was able to scrap out the first set. I got very lucky when he double faulted at the end and I was able to close it out. Johnson could be the first native to win in Washington since 2007 Johnson, ranked a career-high 25th, next faces another serve smasher in 37-year-old Croatian Ivo Karlovic, who blasted 26 aces to dispatch US sixth seed Jack Sock 7-6 (7-4) 7-6 (8-6).French second seed Gael Monfils avoided the upset bug by downing US eighth seed Sam Querrey 6-4 3-6 6-1. Gael Monfils is the highest-ranked player left in the mens tournament German Alexander Zverev awaits him in the semi-final after he eliminated French fourth seed Benoit Paire 6-1 6-3.I like him. Its going to be a big match, said Monfils, who is 2-0 against Zverev, including a February quarter-final win at Rotterdam.Zverev, ranked 27th, is the youngest player in the top 30 since Rafael Nadal in 2005 while Monfils is seeking to win his sixth career title. WATCH: Tennis duo risk arrest Bernard Tomic and Viktor Troicki had a run in with a policeman Watch the ATP Citi Open semi-finals live on Sky Sports 3 HD on Saturday from 7pm.Check out daily Tennis news on skysports.com/tennis, our app for mobile devices and iPad and our Twitter account @skysportstennis.By purchasing a Sky Sports Day Pass for £6.99 or Sky Sports Week Pass for £10.99, you can enjoy access to all seven Sky Sports channels and watch on a TV with a NOW TV Box or on a range of devices. Also See: ATP schedule Tennis on Sky Latest scores Get a NOW TV pass Video Air Max 720 Australia .Hammel pitched inside more and it helped him get into the seventh inning as the Colorado Rockies beat the San Diego Padres 3-2 on Friday night. Nike Air Max 98 Australia ." Argos general manager Jim Barker uttered those words during an interview with TSN 1050 radio just prior to the CFLs annual free agent frenzy. http://www.outletairmaxaustralia.com/air-max-95-buy-australia.html .ca! There is plenty of blame to be shared as a result of the most recent NHL player (Pittsburghs Brooks Orpik) to be evacuated from the ice on a stretcher following an ugly incident Saturday night in Boston. Air Max 200 Australia . Vonn flew back to Vail, Colo., last week after hurting her surgically repaired right knee at a downhill race in France. "Her knee was swollen again after Val dIsere," U.S. womens head coach Alex Hoedlmoser told The Associated Press. Nike Air Max Australia . "It was awesome," he said. Coming off an ugly three-game sweep at the hands of the Yankees, Toronto found itself in a deep hole early after the Reds put an eight spot up on starter Liam Hendriks (six runs in 1 2/3 innings pitched) and Todd Redmond in the second.The United States mens hockey team is turning back to Jonathan Quick after a strong performance against Slovakia on Thursday. USA Hockey announced Friday that Quick will start on Saturday when they play the host team, Russia. Quick stopped 22 of the 23 shots he faced against Slovakia as his team rolled to a 7-1 victory. The Los Angeles Kings netminder draws the start over Ryan Miller, who led the United States to silver at the Vancouver 2010 games, and Jimmyy Howard of the Detroit Red Wings.dddddddddddd TSN Hockey Insider Pierre LeBrun reports coach Dan Bylsma is changing his defence pairings in an attempt to shut down the offensively-charged Russian squad. Bylsma will pair Ryan McDonagh with Ryan Suter while Pittsburgh Penguins defencemen Paul Martin and Brooks Orpik will form another shutdown tandem to try to stop Russias top lines. Russia defeated Slovenia 5-2 on Thursday. ' ' '