As far as Halep was concerned, her 6-1, 6-3 semi-final win over Elina Svitolina meant that her mother Tania will finally get to experience something she has been dreaming of for more than a decade.
Poland's Agnieszka Radwanska booked a spot at the end of season WTA Finals in Singapore after outclassing Montenegrin Danka Kovinic to win the Tianjin Open in China on Sunday.
The Romanian broke Williams's serve in the first game but that was the only one she managed for the rest of the opening set as the American bulldozed her way through the set in 20 minutes, serving it out with an ace.
Simona Halep is prepared for her second marathon of the tournament when she faces former champion Angelique Kerber
Maria Sharapova recovered from a woeful start to overwhelm rising talent Simona Halep 1-6, 6-2, 6-3 in the final of the Madrid Open and claim her 31st career title on Sunday.
Simona Halep finds the prospect of 14 days of quarantine ahead of the Australian Open daunting
Simona Halep crushed Agnieszka Radwanska 6-2, 6-2 on Saturday to join Serena Williams in the championship decider at the WTA Finals.
World No 1 Serena Williams was handed the best possible draw for her WTA Finals title defence with the 33-year-old American grouped with two injury doubts and avoiding the in-form players.
Sharapova was granted a wildcard entry to the last Grand Slam of the season but received a tough first-round draw in the shape of Romanian Halep.
Fifth seed Simona Halep of Romania took advantage of an error-prone display by American Madison Keys to claim her 14th WTA title with a 7-6(2), 6-3 victory in the Rogers Cup final in Montreal on Sunday.
Halep became the first Romanian to reach the summit of the women's rankings when she beat French Open champion Jelena Ostapenko in the semi-finals of the China Open in Beijing, a feat she feels is the high point of her career to date.
World number two Simona Halep will take the final decision on her participation in the US Open after playing this week's WTA Tour event in Prague, the Romanian said on Sunday.
The veteran American set up a showdown with Romanian former world number one Simona Halep in Saturday's final.
The sixth seed, a winner in Madrid last weekend for the second year in a row, will meet either Spain's French Open champion Garbine Muguruza or Ukraine's Elina Svitolina in Sunday's final.
Images from the French Open women's semi-final matches played at Roland Garros on Thursday
The 27-year-old Romanian beat Sloane Stephens at Roland Garros to win her maiden Grand Slam title in June and will have spent 40 weeks at the top of the rankings by the end of the season.
However, the 30-year-old Russia belied her own self-doubt with an impressive three-set win over the Romanian to thrust the former world number one back into the spotlight as the toast of the Big Apple.
Halep's near-flawless display at the All England Club marked a spectacular return to form after her world ranking dropped from first to seventh between mid-January and July.
IMAGES from Day 10 of the Wimbledon 2022 Championships at the All England Lawn Tennis and Croquet Club in London, on Wednesday.
World No 1 Serena Williams suffered one of the heaviest defeats of her long and illustrious career as she was humbled 6-0, 6-2 by Romanian Simona Halep at the WTA Finals on Wednesday.
Novak Djokovic maintained his unbeaten record against Frenchman Gael Monfils with a 6-3, 6-2 win in the semi-finals of the Rogers Cup in Toronto on Saturday, while Japan's Kei Nishikori also reached the final after beating Swiss second seed Stan Wawrinka.
Victoria Azarenka defeated Spain's Silvia Soler-Espinosa 6-1, 6-3 to set up a second round meeting with Jelena Jankovic.
Round-up of the Rolland Garros tournament being played in Paris.
Former world number one Simona Halep stepped up her French Open preparations with a 6-4, 6-4 victory over American Coco Gauff to march into the quarter-finals of the Madrid Open on Monday while Andy Murray won on clay for the first time in five years.
Images from Day 1 of the French Open matches played at Roland Garros on Sunday
Simona Halep believes this year's French Open victory has helped justify her position as the women's world number one
Germany's Angelique Kerber breezed past American Madison Keys in straight sets to enter the Australian Open semi-finals in Melbourne on Wednesday. The 2016 champion easily won 6-1, 6-2 in just 51 minutes.
Tactical change helps Halep to French Open semis
Sharapova, making her return to top-flight tennis after serving a doping ban, defeated Romanian Halep 6-4, 4-6, 6-3 to move into the 2nd round of the final major of the year.
World number one Rafael Nadal produced a ruthless performance to win his 75th singles title, beating Australian Nick Kyrgios 6-2, 6-1 in the China Open final on Sunday.
Halep has struggled for form and fitness since her first-round defeat at the US Open last August and came to Australia on a five-match losing streak and without a coach after long-serving Darren Cahill left for "family reasons".
Second seed Caroline Wozniacki came through a late wobble to reach the Australian Open final for a first time with a 6-3, 7-6(2) victory over Belgian Elise Mertens on Rod Laver Arena on Thursday.
Simona Halep produced a flawless performance to beat Serena Williams in last year's final but this week's cancellation of the grasscourt Grand Slam means she will not get to defend her title this summer.
World number two Simona Halep beat Maria Sharapova 6-2, 6-2 in the China Open third round on Wednesday for her first win over the Russian in eight attempts.
World No 1 Serena Williams comfortably beat 15-year-old CiCi Bellis.
Garbine Muguruza roared into the French Open semi-finals with a 6-2, 6-1 demolition job of Maria Sharapova on Wednesday.
It was third time lucky for Wozniacki following her runner-up finishes at the 2009 and 2014 US Opens.
IMAGES from Day 6 of the Wimbledon Championships at All England Lawn Tennis and Croquet Club on Saturday.
Serena Williams shook off the rust and a feisty challenge from Serbia's Ana Ivanovic to open the defence of her WTA Finals title with a 6-4, 6-4 victory in the opening match of the elite eight-player tournament on Monday.
Asked which thoughts, the world number two from Constanta said: "The only one, very tough thought is one set, 3-0 up, that I couldn't take that game.