Russian third seed Anastasia Myskina is scheduled to face seventh seed Paola Suarez of Argentina while fourth seed Elena Dementieva, another Russian medal hope, would face eighth seed Ai Sugiyama of Japan.
On her return, second seed Jackman will face Natalie Grainger, the fourth seed who despatched Egypt's world junior champion Omneya Abdel Kawy 9-0 9-6 9-2.
"I stayed aggressive and made sure to have an extra something on my ball, " said fifth seed Sharapova, who will face second seed Elena Dementieva of Russia in the quarter-finals.
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In other potential quarterfinal pairings, fourth seed Tim Henman of Great Britain would face fifth seed Juan Carlos Ferrero of Spain and Spanish third seed Carlos Moya would meet seventh-seeded German Rainer Schuettler.
Top overall seed Louisville will face Wichita State at the Georgia Dome next Saturday, while Michigan takes on Syracuse in the other national semifinal.
Fourth seed Rafael Nadal beat fellow Spaniard and 15th seed David Ferrer 7-6 (7-5) 6-4 and will next face eighth seed Jo-Wilfried Tsonga, who trounced Juan Carlos Ferrero of Spain 6-2 6-2.
The 2010 runner-up, who had beaten the Serbian 15th seed in seven of their previous eight meetings, will next face Polish fifth seed Agnieszka Radwanska.
In the other semifinal, Russian qualifier Dmitry Tursonov will face top seed Tomas Berdych.
The Russian will face seventh seed Marat Safin, who beat Julien Benneteau of France 6-4 6-0 6-2.
Benesova will face 16th seed Anastasia Pavlyuchenkova , who beat Kristina Barrois 6-2 6-2 in her second-round tie.
The Australian Open champion's fellow Serbian Janko Tipsarevic, the seventh seed, will next face French No. 11 Gilles Simon.
Third seed Victoria Azarenka will face 19-year-old German Annika Beck in the next round following a routine win over Elena Vesnina.
In the remaining quarter-finals, Svetlana Kuznetsova beat Patty Schnyder 6-3 6-4 and will face top seed Justine Henin, who thrashed Elena Daniilidou 6-0 6-2.
The American will now face top seed Paradorn Srichaphan after the Thai player beat wild card Nicolas Kiefer 6-0 6-2 in the other semi-final.
Ferrer will now face seventh seed Jo-Wilfried Tsonga for a place in the semifinals, after the Frenchman saw off Colombian qualifier Santiago Giraldo 6-3 6-4.
World No. 41 Lisicki, who has reached the fourth round of a Grand Slam for the first time, will next face ninth seed Caroline Wozniacki.
Raonic, who had never beaten a top-10 player before but finished with 64 winners and 31 aces, will next face seventh seed David Ferrer .
In the last four Federer will face sixth seed Andy Roddick , who beat Karol Kucera, conqueror of second seed Juan Carlos Ferrero, 7-6 6-3.
Clijsters, who will now face eighth seed Daniela Hantuchova or the unseeded Elena Dementieva in Sunday's final, broke first in the third game of the match.
Top seed Caroline Wozniacki will face either Clijsters or Li in the quarterfinals if she can get the better of Serbia's former world No. 1 Jelena Jankovic .
Third seed Venus will next face Ukrainian Kateryna Bondarenko after a 6-3 6-2 victory over the world number 97 who was making her debut at the All England Club.
The world No. 1 will face fourth seed Novak Djokovic, who reached the last four for the third year in a row after beating Spanish 10th seed Fernando Verdasco in four sets, 7-6 (7-2), 1-6, 7-5, 6-2.
Hungary's Agnes Szavay walked into the second round when Olga Govortsova of Belarus retired hurt while trailing 6-3 1-0, and will face third seed Yanina Wickmayer in the second round if the Belgian beats Croatian wildcard Petra Martic.
Clijsters will next face Russian 23rd seed Alisa Kleybanova, who beat Bulgaria's Tsvetana Pironkova 6-7 (5-7) 6-3 6-1.
The two-time quarterfinalist will face Russian 27th seed Mikhail Youzhny in round three.
Ljubicic, who reached a career-high third in the world rankings in 2006, will face American seventh seed Andy Roddick in Sunday's final.
His fellow American Sam Querrey lost to Australia's 19-year-old rising star Bernard Tomic , who will next face Ukrainian 13th seed Alexandr Dolgopolov.
The Spaniard, who has now reached seven successive finals since his comeback from knee injury in February, will next face Swiss 15th seed Stanislas Wawrinka.
Serb Djokovic beat Brazilian Thomaz Bellucci 6-4 6-4 and will now face Spanish sixth seed Fernando Verdasco -- who defeated compatriot Guillermo Garcia-Lopez 6-4 7-6.
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