Five-time Grand Slam champion Maria Sharapova is under investigation by Indian police for cheating and criminal conspiracy after the collapse of a luxury housing project that she endorsed, a lawyer said on Tuesday.
Maria Sharapova crashed out in the first round of the Kremlin Cup in Moscow on Tuesday, losing in straight sets to Slovakia's Magdalena Rybarikova.
The former world number one, who returned to action in April, came from behind in both sets and needed four championship points in the tie-breaker before beating the 19-year-old 7-5, 7-6 (10/8).
The 30-year-old Russian, playing on a wildcard in the seventh tournament of her comeback, hit top gear as she swept aside the Chinese third seed in one hour, 18 minutes.
Maria Sharapova was emphatically dumped out of the China Open in the third round on Wednesday by Simona Halep, going down 6-2, 6-2 to Romania's world number two.
Maria Sharapova remains a crowd favourite in China despite her doping ban.
The five-time Grand Slam winner Maria Sharapova racked up eight double faults through the first two sets before swiftly sealing the match in the decider
The Russian-born Sharapova was 17 when she defeated Williams in the 2004 Wimbledon final. Rather than proving the start of a long, close-run rivalry, it was one of just two victories Sharapova can claim against the US great, who has beaten her 19 times.
Maria Sharapova is expected to jump from 146th to around 100th in the world rankings.
Wozniacki was furious that her second round match was played on an outside court while five-time major winner Sharapova was playing all of hers in Arthur Ashe Stadium.
Former world number one Sharapova, the 2006 US Open winner in her first Grand Slam since serving a 15-month doping ban, downed the 139th-ranked wildcard 7-5, 6-2 and moved into a fourth-round clash with Latvian 16th seed Anastasija Sevastova.
Maria Sharapova, ranked 146th, played only one US Open tuneup match due to a forearm injury but wore down Simona Halep and Babos to prove she's a threat for a deep run.
The 30-year-old five-time major winner and former world number one was hit by a 15-month suspension after failing a drugs test at the 2016 Australian Open.
Maria Sharapova's comeback began with an April semi-final run at Stuttgart but many rivals complained about wildcard entries she received to assist her fight back to top form.
Sharapova tested positive for meldonium at the 2016 Australian Open and was suspended by the International Tennis Federation, a ban that ended in April.
Maria Sharpova has still only played four tournaments since returning in April from a 15-month doping ban for the use of meldonium.
The injury will cast further doubt over Maria Sharapova's participation at the US Open, the last Grand Slam event of the season which starts in New York on August 28.
With the 23-time Major winner preparing for the birth of her first child and the Russian out with an injury, the race to the Venus Rosewater Dish is wide open.