(November 8, 2012) -- Juan Martin Del Potro thumped a slumping Janko Tipsarevic in round-robin play at the Barclays ATP World Tour Finals on Thursday, 6-0, 6-4. The victory is Del Potro's fourth against zero losses against the World No. 9.
Today, the outcome never seemed to be in doubt.
The Argentine turned in his fourth career bagel and first against Tipsarevic, winning 28 of 40 points and converting on three of nine break points in the opener.
Tipsarevic fought back from 0-40, 4-4 to reach deuce, which temporarily gave the crowd at the O2 Arena something to cheer about, but the 28-year-old's signs of life were quickly snuffed by a command effort from Del Potro.
An ace down the T, Del Potro's first of four overall, sealed the first set. The Argentine only lost four points on serve in the set, while Tipsarevic committed eleven unforced errors.
Del Potro's offensive combinations were executed aggressively and with precision against Tipsarevic. The 24-year-old World No. 7 hit 18 winners against only 13 unforced errors on the day, and kept Tipsarevic on the scramble for much of the day. He will play on Saturday against Roger Federer for the eigth time in 2012. Del Potro lost the first six but defeated Federer in his hometown in the Basel final.
Tipsarevic picked up his level in the second set, turning in a love hold to lead 2-1, but Del Potro would strike on his next return game to lead 3-2.
At 5-4 the big man served the affair out easily. After dropping the first point he won four straight to close.
Tipsarevic drops to 0-2 in London, and is mathematically eliminated from the semifinals.