Mertinak and Karol Beck edged the tie-break 7-5 to take the first set and then took the second, despite Argentina opening with a break.
Again, there seemed to be no let-up with service as the opening tie-break went to 4-3 without any surprises.
In fact, here we are just a month out and we had no problem finding an opening for Spring Break.
Nadal, who was given a first round bye, recovered from losing an opening tie-break to defeat his opponent 6-7 6-2 6-2, setting-up a fourth round showdown with compatriot David Ferrer.
The challenge of playing Federer clearly galvanises the Briton and he was switched on from the start of Sunday's final, whereas Federer looked distinctly edgy - some loose play handing the Scot a break point in the opening game before another wayward forehand gave up the break.
BBC: Andy Murray beats Roger Federer to win Shanghai Masters
Federer claimed the opening set after leading 3-0 at the beginning, and he achieved an early break in the opening game of the second set as well.
Currently the device has tabs around the edge that he has to break when opening up the device.
Plymouth appeared rejuvenated after the break, opening their account through an impressive Davies penalty from 40 metres out after 14 minutes of the restart.
Flood struck back as the Tigers enjoyed the best of the opening minutes after the break only for Jones to restore his side's four-point advantage.
Exeter dominated the opening exchanges after the break but Leeds produced the first real chance when Wentzel began a counter attack that saw Michael Stephenson, Thomas and then Phil Nilsen all denied by some committed defending.
Wilkinson landed three penalties and two conversions and set up England's opening try with a cute break and offload to winger Paul Sackey.
Fleming and Skupski made it four games in a row with another break in the opening game of the second set to take a stranglehold on proceedings.
Federer gained an early break in the opening set but his 22-year-old opponent hit back to tie it at 2-2 and then had chances to move ahead for the first time.
Robson made a nervous start, double-faulting to hand over a break in the opening game of the match, but she worked her way into the contest and earned a chance to level in game six.
When Paterson then missed a third penalty attempt it seemed to take the wind out of the hosts' sails and as the half wore on Munster grew stronger and stronger, claiming their opening try just before the break.
Cilic had shocked U.S. Open champion Juan Martin Del Potro and Andy Roddick on his way to his first grand slam semifinal and continued his momentum into the clash with Murray as he took the opening set with a single break.
There must have been stern words from manager Mark Hughes at the break because, after a pretty but ineffectual performance in the opening period, the hosts were far more incisive after the break.
Then there will be a break, with the opening statements in the case set for April 23.
Lin's team owned a 13-2 edge in fast-break points in the opening half.
The Gunners trailed 1-0 at the break after an awful opening 45 minutes that had seen Dirk Kuyt score for Liverpool.
Namibia, who have only six professional players, proved tough to break down despite Ireland opening the scoring after just four minutes.
From one of them, Rooney played a precise first-time cross that Valencia converted for the opening goal four minutes before the break.
The Briton battled through a tight opening set in the tie-break after dropping serve three times and went on to dominate the second set.
The fly-half's break led to the opening try for lock Dan Tuohy and also picked off an Ospreys pass for Simon Danielli to claim the first of his two scores.
He had to save a break point in his opening service game and it came as little surprise when he was broken at 1-2, completing a disastrous game with a double fault.
Farquharson saved an early break point in the opening game with a smash by the net and although Broady had an advantage he lost it and then served a double fault to give his opponents the early initiative.
Despite failing to convert four break point opportunities in the opening set, Ferrer went on to dominate the tiebreak.
Federer served out to 15 and had chances to break again in a dazzling opening game of the third set.
Britain's Murray twice trailed by a break of serve in the opening set but recovered to record a 7-6 (7-4) 6-4 win.
应用推荐