Querrey overcame Lukasz Kubot 4-6 6-3 6-3 to secure his place in the next round.
We'll see how Lukasz performs in that period but he has obviously done himself no harm.
The Serbian top seed beat Lukasz Kubot of Poland 6-3 7-6 in the Serbia Open final.
Richard Offiong gave the visitors the lead early on with a smart finish past Lukasz Zaluska.
But the home side drew level after 26 minutes when Lukasz Piszczek headed in a corner.
He will meet France's Josselin Ouana or Poland's Lukasz Kubot for a place in the last 32.
He carried on but was clearly in discomfort and was replaced by Lukasz Fabianski with 12 minutes left.
The teenager had tested goalkeeper Lukasz Zaluska with a first-half drive and Kris Boyd curled an effort wide.
Sunderland almost took the lead after 14 seconds but Carlos Edwards' volley was well parried by Lukasz Fabianski.
Keeper Lukasz Fabianski picked up what was deemed a Sol Campbell backpass and Falcao scored from a quick free-kick.
Dortmund were two up after goals from Lukasz Piszczek and Marco Reus inside the half hour mark on their travels.
"I do not want to come out individually on Lukasz's performance, and judge him in front of everybody, " added the Frenchman.
Polish PKP railways spokesman Lukasz Kurpiewski told TVN24 that about 280 passengers were believed to have been on board the train.
Roddick's fellow-American John Isner also reached the second round in Shanghai after saving match points in two tie-breakers against Polish qualifier Lukasz Kubot.
He had suffered a similar injury in the third round of the Australian Open where he pulled out of his clash against Lukasz Kubot.
After unfurling the First Division title flag, Accies started brightly and only an acrobatic save by Lukasz Zaluska prevented them taking a fourth-minute lead.
In other first round matches, Ukraine's Alexandr Dolgopolov beat Marcos Baghdatis of Cyprus 6-4 6-4 and Spain's Nicolas Almagro defeated Poland's Lukasz Kubot 7-5 6-2.
Celtic goalkeepers Artur Boruc and Lukasz Zaluska have both been fined for making gestures to opposition fans in recent seasons, the latter while with Dundee United.
There was no disguising Mowbray's disappointment that a win had not been achieved but he was boosted by the performance of Artur Boruc's stand-in, Lukasz Zaluska.
The Spaniard was making his first league start since September in the absence of Wojciech Szczesny and Lukasz Fabianski, but there was no excuse for this howler.
The favour was repaid by United in the 21st minute when Loovens rose free to glance Shunsuke Nakamura's front-post corner past Lukasz Zaluska and put Celtic 1-0 ahead.
And after Rodallega missed two early opportunities, the first a header, the second a low drive easily held by Lukasz Fabianski, it was N'Zogbia who created the opening goal.
The First Division side's best effort of the opening half arrived on 17 minutes when Lukasz Zaluska was forced to tip over Scott Morrison's dangerous cross from the left.
An Ian Murray cross was knocked back to the Scotland squad player with a cushioned volley from Nish and Fletcher's diving header beat Lukasz Zaluska from eight yards out.
Others include Lukasz Gadowski, founder of Spreadshirt, a shopping site, and Brent Hoberman, co-founder of lastminute.com, a travel site, who is a partner in PROfounders, an early-stage investment firm.
New Celtic manager Tony Mowbray has held talks with Boruc, who has extra competition for his place after international team-mate Lukasz Zaluska's arrival on freedom of contract from Dundee United.
But it was Poland who broke away again for Jacek Krzynowek to drill in a left-wing cross that a stretching Lukasz Gargula just failed to connect with at the far post.
No sooner had City almost opened the scoring - Lukasz Fabianski reacting brilliantly to keep out David Silva's goalbound flick from a Carlos Tevez cross - than they went down to 10 men.
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