Re: WWW MIAMI SF:  Maria Sharapova or  Andrea Petkovic?
Depends on the ankle....
Even so, Andrea P is playing so well right now, it would be very dificult to beat her....
TT: Singles (#85 CHR #85) F: MM Tokyo, ITF Maui
Doubles (#82 CHR#80) Titles:2016 ITF Maui (w/Davidspell), Kofu (w/Javi) 2015 ITF Maui, Lagos Slam, Bangkok, Gifu F: MM Istanbul, Tokyo; (w/Davidspell)
TE: Singles (4 CHR#1) Titles: Wimbledon, Antwerp, Doha, Stuttgart, Wuhan
Doubles: Titles: Australian Open, Miami, Wuhan, Bogota, Stuttgart (w/Wojcirej)
DTT: Singles (6 CHR#6) Titles: Zhuhai, New Haven; F: Wimbledon
Doubles (1 CHR#1) Titles: Australian Open, St. Petersburg (w/ Darth Revan); Wuhan (w/DJDVD) F: Wimbledon (w/SAISAI-GOAT)