Reason to believe: Radwanska has held a top 5 spot for years now, reaching the final here in 2012 and semfinals last year. The steady, focused Radwanska can wear her opponents down. Reason to doubt: In 2012 she met Serena Williams in the final and was simply overpowered, a common theme for Radwanska in major tournaments.
Getty ImagesSteve Bardens
Caroline Wozniacki, Petra Kvitova, Victoria Azarenka
Reason to believe: One of these players has won Wimbledon once (Kvitova), one is a two-time semifinalist eager to win a Slam outside of Melbourne (Azarenka) and one is finally free of romantic distractions and ready to prove why she once held the No. 1 ranking (Wozniacki). These three have the potential to carry torches into the second week. Reason to doubt: Kvitova has not had a lot of Slam success since her win in 2011; Azarenka is returning after a three-month injury layoff and an early exit at Eastbourne this week; Wozniacki still has much to prove and has never made it past the fourth round at Wimbledon.
Reason to believe: The 2008 French Open winner and former No. 1-ranked Ivanovic looks to be regaining the form she had back then. She took her first grass title (third of the year) two weeks ago at Birmingham and if she gets to the quarters she could face fellow Serbian Jelena Jankovic who she holds a 9-3 record against. Reason to doubt: She hasn't played beyond the fourth round at Wimbledon since reaching the semis in 2007. She also has last year's finalist Sabine Lisicki lurking as a potential third-round opponent.
Getty Images for AegonJordan Mansfield
Andrea Petkovic, Angelique Kerber
Reason to believe: 2012 semfinalist Kerber enters Wimbledon fresh off a final appearance at Eastbourne. Petkovic enters Wimbledon after a rather surprising semifinal run at Roland Garros. This German pair can definitely create chaos in an otherwise prim and proper draw. Reason to doubt: Kerber hasn't gone further than the fourth round since that 2012 semifinal appearance and Petkovic is injury-prone, missing large portions of 2012 and 2013.
Reason to believe: As the second-ranked American in the draw, we want to pull for 18th-seeded Stephens. She was a quarterfinalist at the All England Club a year ago. Reason to doubt: She has yet to get past a quartefinal in any tournament in 2014. She also has yet to follow up her semifinal run in Melbourne in 2013.
Getty ImagesSteve Bardens
Reason to believe: She said it herself during her semifinal run at Roland Garros: She's not here to make friends. Bouchard is the only woman on tour to reach both Slam semis this year and will look to better that result at Wimbledon. Reason to doubt: She got bumped in the first round of this week's Topshelf Open and faces veteran Daniela Hantuchkova in the first round.
AFP/Getty ImagesPASCAL GUYOT
Reason to believe: Though only 5-foot-6, Halep is a tough baseliner who vaulted into the top 10 in January and now sits No. 3 in the world after reaching the French Open final. Reason to doubt: Halep has lost to Sharapova twice this year, both in finals (Madrid and Roland Garros). If she gets past Serena in the quarters, she'll face Sharapova in the semis. The second round is her best ever result in London.
AFP/Getty ImagesDOMINIQUE FAGET
Reason to believe: A three-time quarterfinalist, the No. 2-seeded Li might be ready for some further success on grass. Reason to doubt: At 32 -- in Li years, not Serena years -- if the success hasn't hit, it may not.
AFP/Getty ImagesMIGUEL MEDINA
Reason to believe: Fresh off a French Open win to notch her fifth major title, why not go back to where it all began? It's been 10 years since Sharapova hoisted the trophy on Centre Court, and with her confidence soaring and competition minimal, smart money says she can do it again. Reason to doubt: Over the years, Sharapova's game has made her extremely tough to beat on clay, but it hasn't helped on the grass. Last year she left Wimbledon in the second round.
Getty ImagesJean Catuffe
Reason to believe: The tournament's top seed has won the title five times (2002, 2003, 2009, 2010 and 2012), so who's to say she can't do it again? Reason to doubt: A second-round ouster at Roland Garros and a Centre Court snub at Wimbledon -- Sabine Lisicki, not Serena, was chosen to open play on the second day -- might just get into her head a little.