World number 39 Rajawat defeated Antonsen 21-11, 17-21, 21-19 in a gruelling one hour 19 minutes quarterfinal on Friday night.
Gayatri Gopichand and Treesa Jolly lost in straight games against China's Li Yi Jing and Luo Xu Min.
Rajawat will take on eighth seed Kunlavut Vitidsarn of Thailand next.
Indian shuttlers Treesa Jolly and Gayatri Gopichand advanced to the women's doubles second round of the Swiss Open Super 300 with a straight game win over USA's Annie Xu and Kerry Xu in Basel.
Embattled shuttler Jwala Gutta said the national federation should not construe her "suggestions" as criticism since she had nothing against them and imposition of a life ban because of her blunt talking would be "silly".
Nozomi Okuhara's harrowing experience after her touchdown in India was 'unfortunate and won't happen in future'
Two-time Olympic medallist PV Sindhu and HS Prannoy have been handed relatively easy groups for the Paris Games, which begin on July 26.
Facing each other for the first time in seven months after their heated Denmark Open semifinal clash, the double Olympic medalist Indian reeled off five successive points to take the opening game.
Sen played four three-game matches last week at the French Open before engaging in two back-to-back long matches in the past couple of days but despite that he was able to maintain a high pace.
P V Sindhu took a giant stride towards securing a title at the Malaysia Masters after progressing to the semifinals with a hard-fought win over top seed Han Yue of China
Indian women shuttlers' progressed to their first-ever final at the Badminton Asia Team Championships after edging out two-time former champions Japan 3-2.
On Friday, Supanida Katethong came out on top against Indian star PV Sindhu in an intense quarter-final battle in which the Thai shuttler emerged 24-26, 21-17, 22-20 winner in one hour and 17 minutes.
Prime Minister Narendra Modi hailed as "historical accomplishment" Indian women shuttlers winning the Badminton Asia Team Championships, and said the way our 'nari shakti' (women power) has been excelling in various sports is phenomenal.
National coach Pullela Gopichand refused to comment on the controversy over Prajakta Sawant who had accused him of "mental harassment" in her petition to the Bombay High Court which has allowed the shuttler to attend the ongoing training camp at his badminton academy in Hyderabad.
Ashmita Chaliha produced an inspired show to stun higher-ranked Michelle Li as the India scored a clinical 4-1 victory over Canada to make a positive start in the Uber Cup tournament in Chengdu, China, on Saturday.
Ace Indian shuttler Saina Nehwal, who has been training under Vimal Kumar for the last one week, wants the former chief coach to travel to Incheon, Korea with her for the upcoming Asian Games.
Bihar Education Minister Chandrashekhar reiterated that temples are the path to "mental slavery" while schools mean the path of light in life, extending support to party MLA Fateh Bahadur Singh whose similar statement drew the ire of a fringe outfit that announced a "reward" of Rs 10 lakh to cut off his tongue.
Sindhu stands on the brink of history as she pursues the gold medal in the upcoming Games, having won a silver and bronze in 2016 Rio and 2020 Tokyo edition respectively.
Sindhu pulls out of Uber Cup
Ons Jabeur was full of praise for former England midfielder David Beckham after their meeting this week.
Saina was awarded a cheque of Rs 25 lakhs for her title-winning performance at the Australia Super Series in 2016, besides becoming the first Indian to become the World No. 1 and reaching the finals at All England champion in 2015.
The 22-year-old said adjusting to shuttle movement in a place near to the sea is different and he expects similar conditions in Paris, where he will travel on July 22.
Lakshya Sen moved a place to world number 17, despite not competing in the last two weeks.
There's a new actor in town, and Shraddha Kapoor is particularly excited about it!
Proving wrong his detractors' claim of being sidelined after denial of chief minister's post for fifth time last year, Bharatiya Janata Party leader Shivraj Singh Chouhan won Madhya Pradesh's Vidisha Lok Sabha seat for the sixth time by a record margin of 8.21 lakh votes.
Satwiksairaj Rankireddy and Chirag Shetty hardly broke a sweat while defeating the Chinese pair of Chen Bo Yang and Liu Yi to win the Thailand Open men's doubles crown in Bangkok on Sunday.
Isharani Baruah and Anmol Kharb shone bright as India all but assured its place in the quarter-finals of Uber Cup after beating Singapore 4-1 in the second tie of Group A, in Chengdu, China, on Sunday.
Kiran George lost to World champion Kunlavut Vitidsarn of Thailand in the quarter-finals of the Indonesia Masters.
India's Kiran Geroge moves to quarters, Ashmita bows out of Thailand Open
While Sindhu struggled to get winners, Young kept varying the pace and sending everything back.
P V Sindhu advanced to the second round after her opponent Li Yvonne Li of Germany retired after the first game.
A film with a one-line plot, needed a lot more pizzazz, whistle-worthy dialogue, and a large-than-life, invincible protagonist. Karki makes a Rajinikanth kind of actioner (Bhaiyya Ji fights with a bidi in his mouth) but with a realistic soul, and falls between two boats.
Ashmita Chaliha produced a gallant fight before the young and inexperienced Indian women's team suffered a 0-3 loss to formidable Japan in the quarterfinals of the Uber Cup badminton tournament in Chengdu on Thursday.
The Indian badminton team received enthusiastic support from fellow athletes, including cricketers Washington Sundar, Sai Kishore and Tilak Varma.
Ahead of the Lok Sabha polls, the Congress on Wednesday announced five guarantees for women, including annual direct cash transfers of Rs 1 lakh to one woman from each of the country's poorest families and 50 per cent quota in all new recruitments in central government jobs.
To keep their MLAs together, political parties are organising dinner meetings and arranging hotel stays for them ahead of the council elections, which are taking place just three months ahead of the assembly polls in the state.
Home favourites Satwiksairaj Rankireddy and Chirag Shetty went down in a tense final against world champions Kang Min Hyuk and Seo Sang Jae at India Open, settling for their second successive runners-up finish, in New Delhi on Sunday.
In the coming assembly election, negotiations over seat-sharing will be as important as actual outreach to voters.
Prannoy will take on Rajawat in the second round.
Sindhu saw off Sim 21-13, 12-21, 21-14 in a 59-minute women's singles second-round match to register her third win over the Korean world number 34.
