Dmitry Tursunov said he decided not to continue coaching Emma Raducanu at the end of a trial period with the former U.S. Open champion as they could not agree terms and there were "red flags" he could not ignore.

Dmitry Tursunov opted against working with teen star Emma Raducanu due to 'red flags'

The first stop on Serena Williams` farewell tour came to a quick end as she fell 6-2 6-4 to Belinda Bencic in second-round action at the Canadian Open on Wednesday a day after announcing her forthcoming retirement from tennis.

Serena Williams crumbles to defeat against Belinda Bencic in the first round of her farewell tour

Former world No.1 and winner of four Grand Slams, Naomi Osaka of Japan, lost only three games in her 6-2, 6-1 victory over No.9 seed Danielle Collins of the US to make it to her maiden Miami Open semifinal on Wednesday (IST).

Miami Open: Naomi Osaka outclasses Danielle Collins to set up maiden semifinal date against Belinda Bencic

Newly-crowned Olympic singles tennis champion, Belinda Bencic, has dedicated her gold medal to Swiss great Roger Federer, whose pre-match message inspired her to victory in Tokyo.

Tokyo Olympics: Belinda Bencic dedicates singles gold to idols Roger Federer, Martina Hingis

World number 12 Belinda Bencic dug deep to overpower Czech Republic's Marketa Vondrousova 7-5, 2-6, 6-3 on Saturday and win the Tokyo Olympics women's singles title, becoming the first Swiss woman to earn an Olympic Games tennis gold.

Tokyo Olympics tennis: Belinda Bencic beats Czech Vondrousova to win women's singles gold

Switzerland's Belinda Bencic thrashed Croatian Donna Vekic 7-6, 6-3 in the quarterfinal match of the ongoing US Open at Arthur Ashe Stadium here on Wednesday. Bencic outclassed her opponent in two straight sets to enter the semifinals of the tournament.

US Open: Belinda Bencic thrashes Donna Vekic to reach semifinals

The prospect of a Naomi Osaka-Serena Williams US Open final rematch that hung tantalisingly over the year's final Grand Slam disappeared on Monday with Swiss Belinda Bencic the spoiler by claiming a 7-5, 6-4 fourth-round win over the Japanese holder.

Lesson learned, Naomi Osaka moves on after US Open loss

Belinda Bencic defeated Petra Kvitova 6-3, 1-6, 6-2 on Saturday to win the Dubai Championships and vowed to celebrate with her first parachute jump. "We agreed that the next title I won, we would go skydiving," the Swiss said after ending a four-year trophy drought, explaining that the dare-devil plan may not please her father and coach, Ivan.

Belinda Bencic stuns Petra Kvitova in Dubai to end four-year title drought

In pics: Day 1 highlights of Australian Open

Roger Federer became the most successful player in Hopman Cup history when he led Switzerland to a 2-1 win in an enthralling final of the mixed teams tournament in Perth Saturday.

Roger Federer wins third Hopman in dramatic fashion

Federer ignored his partner Belinda Bencic and continued the rally with his opponent Jack Sock of the USA for quite some time

Watch: Federer, Jack Sock upset other two women players during match

Venus Williams' Australian Open conqueror Belinda Bencic ran out of steam failing to keep the momentum going against qualifier Luksika Kumkhum

Australian Open: Elina Svitolina survives second round, Belinda Bencic exits

Belinda Bencic ranked No-78 beat Venus Williams in straight sets in the first round of the Australian Open on Monday

Watch: Belinda Bencic on first-round win over Venus Williams

Bencic beat Venus 6-3, 7-5 in just under two hours at the Rod Laver Arena

Australian Open: 20-year-old Swiss Belinda Bencic beats Venus Williams in first round

Federer remains unbeaten in his three singles matches in the tournament prior to the final as he prepared for his Australian Open title defence

Tennis: Roger Federer and Belinda Bencic claim Hopman Cup

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