These fellowships, tenable in a selected number of universities in the Czech Republic, are open to secondary school leavers holding a recognized certificate.
Czech Jiri Vanek downed former French Open winner Albert Costa, seeded eighth, 7-6 (7-4) 6-3.
American Christina McHale earned a surprise 6-2 6-4 win over Czech 24th seed and 2007 Australian Open quarterfinal Lucie Safarova.
Meanwhile, Federer's defense of the Dubai Open title ended in semifinal defeat Friday to Czech Tomas Berdych , the man who also upset him at last year's U.S. Open.
Second seed Amelie Mauresmo of France beat Tathiana Garbin 6-2 6-1 and US Open champion Svetlana Kuznetsova defeated Czech Eva Birnerova 6-3 6-2.
The BMW Open title in Munich went to Czech Tomas Berdych who edged out Mikhail Youzhny of Russia 6-4 4-6 7-6.
Meanwhile, on the women's WTA Tour, top seed Elena Dementieva of Russia fought back from a set down to beat Czech Lucie Safarov in the final of the Open GDF Suez tournament in Paris.
Top seed and French Open champion Maria Sharapova later struggled through against Czech Lucie Safarova, prevailing 6-4, 6-7 6-3 in their second round match and her opener in the defense of the Stuttgart crown.
He will next take on either Czech seventh seed Tomas Berdych or 2009 U.S. Open champion Juan Martin del Potro of Argentina -- who led 7-6 (8-6) 1-6 6-3 when play was halted long before the Tsonga-Wawrinka match, despite appearing to struggle with a strapped-up knee.
Dechy, the world number 13 and semi-finalist in last month's Australian Open, lost 7-6 6-4 to Czech Klara Koukalova.
The injury prevented him from defending his Olympic title at London 2012, while he also missed out on the U.S. Open and Spain's Davis Cup final defeat by the Czech Republic in November.
Hungary, Sweden and the Czech Republic also expressed reservations about treaty change -- but left the door open, pending parliamentary debate.
In the second set, Gasquet disrupted the Czech's rhythm as he failed to reproduce the form that ousted French Open winner Rafael Nadal, the defending Canada Masters Series champion, in the previous round.
Verdasco racked up 39 unforced errors and struggled with his opponent's serve throughout - his receiving points won stood at just 17% - as the Czech booked his place in the quarters for the first time at the Australian Open.
Petrova will now meet Czech Lucie Safarova or Romanian Alexandra Dulgheru in the quarterfinals while Serena has had her preparations for the French Open later this month cut short.
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