Maria Sharapova rued a colossal 52 unforced errors as she slumped to a first-round defeat at the Qatar Open on Monday.
The former world number one and two-time champion in Doha was making her first appearance at the event in five years, but her return ended in disappointment as Monica Niculescu battled back from a set down to win 4-6 6-4 6-3.
Sharapova had looked settled in the opening set and was producing her powerful trademark groundstrokes from the baseline, and when she went 1-0 ahead things looked promising.
However, errors began to creep into her game and Niculescu took full advantage to record an opening-day upset, leaving Sharapova to provide an honest assessment of her performance.
"I thought I did a really good job in the first set and a half, but that's obviously not enough to win the match," Sharapova said.
"I did a good job of winning the longer rallies, even though that's not really what I wanted to get myself into.
"So physically I felt good. I just got pretty passive in the end and started making too many errors.
"I think I have to look at the tape and see why I started going back behind the baseline and not moving forward, not putting the pace on her."
Niculescu could meet top seed Caroline Wozniacki in round three, but will have to get past either Magdalena Rybarikova or Fatma Al Nabhani first.
Five-time semi-finalist Agnieszka Radwanska wasted nine match points before eventually seeing off Mona Barthel 3-6 6-3 7-5.
Seventh seed Caroline Garcia will face Dominika Cibulkova in round two after she battled past Anastasia Pavlyuchenkova – the Slovakian taking the first set tie-break 10-8 before wrapping up the match 6-4 in the second.
Monday also saw straight-set victories for Duan Ying-ying, Mihaela Buzarnescu, Ekaterina Makarova and qualifier Anna Blinkova, while Naomi Osaka battled through back pain to beat Katerina Siniakova 6-4 6-0.
Cici Bellis is also through after Daria Kasatkina was forced to retire at 7-5 4-1 down, the Russian struggling with a neck problem after a fall in the first set.
15 de agosto 2018
|Kante comfortable with surprise new Chelsea role|
|Rugby Championship 2018: The numbers behind New Zealand´s dominance|
|LaLiga 2018-19: Bale ready to be Madrid´s shining light after five years in Ronaldo´s shadow|
|Rodgers unimpressed by absence of ´fit´ Boyata|
|Braves´ Acuna Jr. has arrived as a true MLB star|
|LA Galaxy 2 Colorado Rapids 2: Jackson´s deflected strike sees spoils shared|
|Victory offer postponed retirement, says Honda|
|Kyrgios forgets tennis shoes, Federer back in business|
|Williams knocked out as Garcia and Pliskova advance in Ohio|
|Kvitova sees off Serena in Cincinnati classic|
|Federer dispatches Gojowczyk in Cincinnati|
|Stead succeeds Hesson as New Zealand coach|
|Duminy encouraged despite South Africa´s mixed results|
|Thiem withdraws from Cincinnati Masters|
|Edwards joins Ospreys in consultancy role|
|Former Arsenal and Barcelona player Song joins Sion|
14 de agosto 2018
|I´m very happy with what I have - Spalletti not desperate for Modric|
|Roethlisberger evaluated for concussion after practice|
|Brady ´absolutely´ expects to face Eagles|
|Rugby Championship 2018: Reasons for optimism and concern for Australia|
|Wentz ´gonna be close´ for Eagles opener|
|Cleveland ´victory fridges´ to unlock beer if Browns finally win|
|England´s Watson suffers injury setback|
|Mariners reinstate Cano after 80-game suspension|
|AEK Athens 2 Celtic 1 (3-2 agg): Rodgers´ men dumped out of Champions League|
|Alonso to leave F1: Paddock reacts to Spaniard´s exit|
|Roma sign midfielder N´Zonzi from Sevilla|
|Alonso to leave F1: Who will replace Fernando at McLaren?|
|Extraordinary Zidane is in Real Madrid´s past - Lopetegui|
|Alonso to leave F1: Then and now - how the grid, teams and calendar have changed since 2001|
|Wawrinka and Azarenka receive US Open wildcards|
|Parma sign Napoli pair Inglese and Grassi on loan|
|Sandakan castles Proteas before Sri Lanka squeeze home|
|Ronaldo sale won´t stop Real Madrid winning - Ramos|
|Predators sign Ryan Ellis to eight-year, $50M contract|
|Curran, Woakes, Rashid - who makes way for Stokes in England´s Test XI?|
|Griezmann well positioned for Ballon d´Or, says Simeone|
|Criscito: I was on Genoa bridge shortly before collapse|
|Alonso to leave F1: How the Spaniard´s numbers stack up to the greats|
|Rookie LB Roquan Smith finally signs Bears contract|
|De Villiers enjoying relief from ´unbearable´ Proteas pressure|
|Fernando Alonso to leave F1|
|Spalletti extends Inter contract|
|Godin, Koke, Griezmann and Juanfran named Atletico Madrid captains|
|Ronaldo out of hospital after illness|
|Fury: Beating Wilder and Joshua ´very easy´|
|Dickinson retires to take up academy coaching role|
|Cricket the ´sole focus´ for Stokes as he returns to England squad|
|Cheryshev moves to Valencia on loan|
|Mandzukic retires from Croatia duty after World Cup|
|Ben Stokes found not guilty of affray|
|Tottenham issue new stadium update and apology to fans|
|Chelsea flop Bakayoko moves to AC Milan on loan|
|Gabi urges Al Sadd team-mate Xavi to play on|
|Ronaldo leads UEFA Goal of the Season nominees|
|Federer: Djokovic could be caught up in US Open pressure|
|Ronaldo to Juventus a huge boost for Serie A – Matthaus|
|Werner would welcome Ozil Germany return|
|´Perfectionist´ Serena admits to ´unrealistic´ expectations in tennis and motherhood|
|Klopp praises Deschamps and his ´boring´ France|
|LaLiga 2018-19: Bale or Griezmann - Who will step into Ronaldo´s breach as Messi´s main rival?|
|Woods winning 15th major would be greatest comeback in sport – Faldo|
|Retiring Storm great Hoffman not giving up on Finals dream|
|Folau won´t change aerial approach in All Blacks showdown|
|Racism behind Sterling criticism, says ex-Arsenal star Wright|
|Eto´o joins Qatar SC following Ligue 1 links|
|UEFA Super Cup 2018-19: Atletico academy eclipsing Madrid, La Masia|
|UEFA Super Cup 2018-19: Should Real Madrid cash in on Modric?|
|Scintillating Serena sends warning, Azarenka survives opener|
|DeGrom strikes out 12, Mets hit 5 homers in win over Yankees|