What is turning a corner for Kyrgios, really? Is it being more invested in tennis, or doing more for charity? Is it improving his physical and mental conditioning, or doing away with the childish jibes he keeps taking at Nadal and Djokovic?
Australian Open 2020: Garbine Muguruza continues to impress with newfound mental fortitude in scratchy win over Anastasia Pavlyuchenkova
Muguruza has shown more mental strength this week than she has in the last two years combined, which is not something that anyone would have expected at the start of the tournament.
Ivanisevic helps coach Novak Djokovic, while Martinez works with Garbine Muguruza.
The balance of power in the NextGen might be shifting before our very eyes, with the Rublevs and Humberts snatching the accolades from right under the noses of the Zverevs and Khachanovs.
Australian Open 2020: Serena Williams' Auckland win provides exciting precursor to year's first Slam as No 24 awaits
Serena has defeated countless opponents, a coma, depression, a number of surgeries, and a three-time drop out of the top 100, only to come back to play the Australian Open yet again.
Shanghai Masters: Stefanos Tsitsipas' quarter-final win over Novak Djokovic an apt reflection of his steady progress over past year
The match marked victories for Tsitsipas this year over each of the Big 3: Roger Federer at the Australian Open, Rafael Nadal in Madrid, and now, Djokovic in Shanghai, where the top-ranked player was defending his title.
Shanghai Masters: Alexander Zverev revives his season of disappointments with cathartic win over Roger Federer
In Shanghai, Zverev played a lot more like he is accustomed to. He was patient at the baseline, and focussed on the weight of shot rather than painting the lines. The forehand was consistently deep even if it didn’t always have a lot of pace, while the backhand was effortlessly forceful as always.
Divij Sharan wins fifth ATP title after partnering with Igor Zelenay to claim St Petersburg Open doubles title
India's Divij Sharan on Sunday claimed his fifth ATP career title after winning the St Petersburg Open doubles crown, partnering Igor Zelenay of Slovakia.
India's Davis Cup challenge to become tougher after ITF modifies format and replaces Groups I and II with World Groups
From 2020, the Indian team will have to contend with superior European, South and North American nations in order to qualify.
Rogers Cup: Bianca Andreescu's topsy-turvy win over Kiki Bertens reinforces importance of liberating, child-like freedom
Andreescu's theatrical reactions and over-the-top gestures helped her loosen up, making her tennis more effective. She is most dangerous when she plays with complete and joyful abandon, so maybe she should continue behaving like a child during her matches — foot-stomping, arm-waving and all.
Wimbledon 2019: Teen prodigy Coco Gauff's intelligence and experienced support system look set to keep her fresh for long haul
There is no doubt Gauff is a special talent; with an effective transition, we could well be looking at the birth of yet another World No 1 — and on her own terms.
Wimbledon 2019: Simona Halep's newfound romance with grass continues as she sets up blockbuster final against Serena Williams
While Halep has struggled to manage expectations after winning the 2018 French Open and taking over as the World No 1, this Wimbledon she has looked more ready to take charge and stay positive.
Wimbledon 2019: Roger Federer, Rafael Nadal mark 11th anniversary of the greatest match ever with distinct Centre Court gems
Federer and Nadal are on a collision course earlier than normal this Wimbledon; they are projected to meet in the semi-finals. Will we see their brilliance on display at the same time in that match? Will there be a repeat of that 2008 final, with each of them bringing out their absolute best for close to five hours?
Wimbledon 2019: Persistent Karen Khachanov digs deep to overcome Feliciano Lopez in four sets, marches into third round
Soon after connecting his final backhand of the day that went through Lopez’s outstretched hand, Khachanov immediately apologised before raising his arms in celebration, and even the partisan crowd had to give him his due; this was a hard-earned triumph.
Wimbledon 2019: Canada's Bianca Andreescu to miss grass court Slam as she recovers from shoulder injury
Andreescu, who turned 19 on 16 June, withdrew from the French Open after beating Marie Bouzkova in three sets in the first round, handing American Sofia Kenin a walkover into the third round.
Tsonga, 34, missed seven months of last season due to knee surgery, but has shown solid form this month upon his return to grass court tennis for the first time since 2017.
'Nick Kyrgios good guy even if he has no respect for me,' says Novak Djokovic on Australian's 'cringeworthy' remark
"I think that basically, he is a good guy. I don't know why he said all those things. Does he want to attract attention, does he want to be different?," Djokovic said.
French Open 2019: Karen Khachanov's win over Juan Martin del Potro shows he is finally unleashing full force of his forehand
You could be forgiven for thinking that the Karen Khachanov versus Juan Martin del Potro fourth round match at the French Open was the tennis version of a Godzilla-style war. Two strong men, both 6’6” tall and armed with bazooka forehands and mammoth serves, went hammer and tongs against each other for over three hours.
French Open 2019: Naomi Osaka’s claycourt limitations, weight of expectations finally catch up in straight-set loss to Katerina Siniakova
Osaka made 38 unforced errors on the day, and many of them came from positions of absolute dominance. Time and again, she worked a point in her favor with her forceful groundstrokes, and time and again, she made a hash out of the one extra shot she was made to hit.
French Open 2019: Erratic serves, piling double faults prove Jelena Ostapenko's undoing in opening round against Victoria Azarenka
Ostapenko never lacks conviction; her double faults are not the result of tentativeness. It is the technique — the ball toss, to be more precise — that is all over the place. It’s almost as though she herself doesn’t know where the ball is going. She just seems to be throwing it in the air, closing her eyes and hoping for the best.