The 27-year-old began working with Mouratoglou ahead of the China Open in September last year, as she sought to reignite her career following a patchy run of form after returning to the tour from a long maternity break.
Storm Hunter and Elise Mertens picked up the Doubles Team of the Year award, China's Zheng Qinwen was named Most Improved Player while Russian Mirra Andreeva won Newcomer of the Year.
China's Zheng Qinwen beat a struggling Elena Rybakina 7-6(4) 3-6 6-1 in a grueling WTA Finals group stage match on Monday, notching her first career win over the Kazakh in their third meeting.
Women's tour needed to change its rules for players that take maternity leave.
Tennis great Serena Williams is recovering from surgery to remove a large cyst on her neck.
American great Billie Jean King had called for a unified governing body for men and women years ago but the 29-year-old Johanna Konta feels Federer's comments have brought attention back to the topic.
Madison Keys is the second-oldest woman to claim her first Australian Open singles title in the Open era.
Roger Federer called for a merger between the two governing bodies last month, with both Simon and ATP Tour Chairman Andrea Gaudenzi welcoming the suggestion. But some top WTA players have said they want an equal standing for the women players in a combined body.
Tennis great and founder of the WTA Billie Jean King was among those who applauded the announcement.
Roger Federer's proposal to merge the tours gets thumbs up from top players.
The WTA and ATP have jointly announced on Tuesday new scheduling regulations that restrict evening matches to two per court and per day, with a recommended start time of 1830 local time to curb matches from concluding in the early morning hours.
The WTA Tour has criticised French Open organisers for awarding more prize money to the men competitors
After a stomach injury cut short the last-leg of her season, Sania Mirza slipped two rungs to 32nd in the latest WTA Tour rankings.
Wozniacki blasts WTA Tour for forcing her to play in the tournament without proper preparation.
Venus Williams confirmed her engagement to Italian model and actor Andrea Preti.
Heading into the final, Gauff had lost the first set in three straight matches and the former U.S. Open champion seemed determined to buck that trend, serving to love in the opening game and breaking early for a 2-0 lead.
The Indian tennis sensation climbed three rungs to finish 37th in the latest WTA Tour rankings.
Serena Williams, who won the Australian and Wimbledon Grand Slam titles last year, was voted the WTA Tour 2009 Player of the Year for a second successive season, at a ceremony in Miami on Wednesday.
Sania Mirza has jumped up by 34 points to move to a career-best 132 in the latest WTA Tour tennis rankings.
Ai Sugiyama is the number one Asian player at 28nd rank.
Samantha Stosur underlined her credentials for next month's French Open by crushing Russia's Vera Zvonareva 6-0, 6-3 in Sunday's final of the Family Circle Cup to claim her second WTA Tour title.
Teenage sensation Sania Mirza has jumped up by 20 places to move to a career-best 77 in the latest WTA Tour tennis rankings.
Any female tennis player found guilty of match-fixing will be given a lifetime ban from the sport, the head of women's tennis Larry Scott said.
Gauff made 50 unforced errors in the match, including nine double faults, and said it was far from her best performance.
American Serena Williams reached the semi-finals at the WTA Tour Championships in Istanbul on Thursday with what is fast becoming a routine defeat of World No 1 Victoria Azarenka.
Spain's Paula Badosa ground out a 7-6(4), 6-4 victory over Maria Sakkari at the WTA Finals in Guadalajara, Mexico on Saturday and advanced to the semi-finals with two wins from two matches in Group Chichen Itza after Aryna Sabalenka beat Iga Swiatek.
Wimbledon organisers have 'zero appetite' to turn the Championships into a 15-day event
Sixteen-year-old Croatian Donna Vekic was denied her first WTA title as she lost 7-6(5), 6-4 to Tour stalwart Daniela Hantuchova in the Aegon Classic final in Birmingham on Sunday.
The 18-year-old slipped five places in the WTA Tour Singles rankings after her first round exit at the French Open.
Under the plan, players will have access to grants for fertility treatment and other benefits. It is the first time that maternity benefits are available to self-employed athletes.
Sania slipped two places to be at 50 in the latest WTA Tour rankings released on Monday.
Following the cancellation, the Korea Open in Seoul is the only event left in Asia on WTA's provisional calendar for 2020.
Pavlyuchenkova beats Kartal to reach last eight despite line-calling glitch
Aryna Sabalenka took a step closer to a first trophy of the year before her Australian Open title defence begins later this month.
When it comes to tennis parties, there is none bigger than the WTA Pre-Wimbledon Party. Check out some images from the party.
Natela Dzalamidze will be able to compete at Wimbledon after she changed her nationality to represent Georgia
The decision to lift the ban was met with protest from Ukraine, whose Foreign Minister Dmytro Kuleba said it was "immoral" and urged Britain to deny Russian and Belarusian players visas.
Russia's Svetlana Kuznetsova raced to a 6-2, 6-1 victory over Australian Daria Gavrilova to defend her Kremlin Cup title in Moscow on Saturday and secure a place at the season-ending WTA Finals.