Nadal, Federer ease through
Rome - Fresh off a title in Madrid and back up to No 2 in the rankings, Roger Federer showed off his strong form with a routine 6-3, 6-4 win over Carlos Berlocq of Argentina in his opening match at the Rome Masters on Wednesday.
Seeking to win one of only three Masters 1000 events he's never claimed, Federer dealt well with the swirling wind inside the 10 500-seater stadium at the Foro Italico, coming to the net often to finish off points.
Federer won 18 of 23 points at the net and held a 24-13 edge in winners over the 38th-ranked Berlocq in their first meeting.
Rafael Nadal, who was replaced by Federer at No 2 with his Madrid Open victory on Sunday, beat Florian Mayer 6-1, 7-5 to avenge a defeat in his only previous ATP meeting with the 28th-ranked German.
In women's action, Serena Williams rallied past Nadia Petrova of Russia 4-6, 6-2, 6-3 to extend her winning streak to 15 matches, following titles in Charleston, South Carolina, and Madrid - plus two wins in Fed Cup.
Serena's sister, Venus Williams, had an easier time reaching the third round, eliminating Ekaterina Makarova of Russia 7-6 (9/7), 6-1.
There were several upsets, with No 3 Agnieszka Radwanska, No 6 Caroline Wozniacki and No 7 Marion Bartoli all eliminated.
Radwanska was beaten by 28th-ranked Petra Cetkovska of the Czech Republic 6-4, 4-6, 6-1; Wozniacki retired with upper respiratory illness while trailing Anabel Medina Garrigues of Spain 6-4, 4-0; and Bartoli was beaten 6-3, 6-1 by Julia Goerges of Germany.
Former French Open winner Ana Ivanovic routed Spanish qualifier Silvia Soler-Espinosa 6-2, 6-1 to set up a matchup with No 2 Maria Sharapova.
On the men's side, Stanislas Wawrinka of Switzerland upset eighth-seeded Janko Tipsarevic 6-3, 6-1; and local hope Andreas Seppi of Italy eliminated ninth-seeded John Isner 2-6, 7-6 (7/5), 7-5.
Among those advancing were seventh-seeded Tomas Berdych, No 10 Juan Martin Del Potro, No 11 Gilles Simon and No 12 Nicolas Almagro.
Federer has reached the final twice in Rome, losing to Felix Mantilla in 2003 and to Nadal in a five-set thriller in 2006 - a match he held a match point in.
The win in Madrid moved Federer to No 2 for the first time since March, 2011 - although he's still seeded No 3 this week.
"I look at the big picture and what is important to me is just to be in the top 10, and if I am No 2 or not at the French Open doesn't change anything - and it doesn't change anything for Rafa," Federer said. "That I was able to win Madrid was amazing, and that is what I look at right now - not the rankings."
Federer considered skipping this tournament to stay fresh after playing a full week in Madrid, but said he decided to play "this morning after practice."
With the top eight seeded players having first-round byes, it gave Federer an extra day off.
"At least here we have two days off, which can be a lifesaver," the 16-time Grand Slam winner said. "I don't think I would have played this tournament if I would have had one day off."
Federer next plays former world No 1 Juan Carlos Ferrero, the 2001 Rome champion.
Considering all the tennis Serena Williams has played during her streak, she didn't have much time after finishing her first-round win over Galina Voskoboeva near midnight Tuesday.
"It wasn't that easy. It was a quick turnaround," Serena said. "When I saw the schedule, I said 'Oh my God, are you serious?' That's life. You just have to be able to adjust and make the best of it and so I was really happy to come through today."
However, Serena appeared to struggle with her back at times.
"Everyone has aches and pains here and there and today I felt it a lot because I have been playing a lot and practicing even more," she said. "Hopefully I'll be better by tomorrow."
Williams next faces fifth-seeded Australian Sam Stosur.
Results from the third day of the Rome Masters Series tournament on Wednesday (x denotes seeding):
Juan Monaco (ARG x14) bt Radek Stepanek (CZE) 6-4, 6-2
Marcel Granollers (ESP) bt Fabio Fognini (ITA) 6-3, 6-4
Roger Federer (SUI x3) bt Carlos Berlocq (ARG) 6-3, 6-4
Tomas Berdych (CZE x7) bt Lukas Kubot (POL) 6-4, 6-1
Juan Del Potro (ARG x10) bt Mikhail Youzhny (RUS) 6-4, 6-2
Gilles Simon (FRA x11) bt Guillermo Garcia-Lopez (ESP) 6-4, 2-6, 6-4
Richard Gasquet (FRA x16) bt Paolo Lorenzi (ITA) 6-3, 6-2
Nicolas Almagro (ESP x12) bt Sam Querrey (USA) 7-5, 6-2
Rafael Nadal (ESP x2) bt Florian Mayer (GER) 6-1, 7-5
Stanislas Wawrinka (SUI) bt Janko Tipsarevic (SRB x8) 6-3, 6-1
Andreas Seppi (ITA) bt John Isner (USA x9) 2-6, 7-6 (7/5), 7-5
Li Na (CHN x8) bt Iveta Benesova (CZE) 6-1, 7-5
Flavia Pennetta (ITA) bt Sloane Stephens (USA) 6-2, 6-3
Angelique Kerber (GER x12) bt Vania King (USA) 6-3, 6-2
Petra Cetkovska (CZE) bt Agnieszka Radwanska (POL x3) 6-4, 4-6, 6-1
Sorona Cirstea (ROM) bt Sofia Arvidsson (SWE) 6-3, 6-1
Anabel Medina Garrigues (ESP) bt Caroline Wozniacki (DEN x6) 6-4, 4-0 retired
Julia Goerges (GER) bt Marion Bartoli (FRA x7) 6-3, 6-1
Dominika Cibulkova (SKK x14) bt Karin Knapp (ITA) 6-3, 4-6, 6-1
Chanelle Scheepers (RSA) bt Marina Erakovic (NZL) 5-7, 6-1, 6-2
Samantha Stosur (AUS x5) bt Sara Errani (ITA) 6-3, 7-5
Serena Williams (USA x9) bt Nadia Petrova (RUS) 4-6, 6-2, 6-3
Venus Williams (USA) bt Ekaterina Makarova (RUS) 7-6 (9/7), 6-1
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