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At the point when Daria Kasatkina concluded her 2025 season early in October, the ex-top ten player detailed how she had "hit a wall."

"The itinerary is excessive. Psychologically and emotionally, I am drained, and, regrettably, I'm not alone," she expressed.

The Ukrainian athlete Elina Svitolina, a former Wimbledon final four contender, had previously declared she was not in "the right headspace" to carry on, while current Grand Slam champions Iga Swiatek and Carlos Alcaraz furthermore think the calendar is excessively lengthy.

This issue is still being argued as the world's foremost tennis players reconvene in Australia for the start of the 2026 season.

A slightly longer off-season than 2025 has been welcomed. Nonetheless, a few weeks is not seen as adequate time for thorough recovery before work commences for an eleven-month schedule seen as among the most demanding in professional sport.

"The physical requirements of tennis are more intense than in the past," said Dr. Robby Sikka, head of medicine at the Professional Tennis Players' Association (PTPA).

"Points and games are more extended, players are faster, they're hitting the ball harder.

"We have a duty to safeguard our athletes and give them a more manageable sport."

So what measures are in place and what additional measures could be implemented?

Reducing the Calendar Length

The 2025 season spanned 47 weeks for many male competitors, commencing with the United Cup team event in late December 2024 and ending with the Davis Cup final in late November.

The WTA Tour season concluded two weeks earlier when the season-ending championships wrapped up in early November. The International Tennis Federation moved the Billie Jean King Cup Finals forward to September to help combat scheduling concerns.

The men's tour states it does not take the concerns of the players "casually," while the women's tour asserts player welfare will "consistently be the foremost concern."

That did not appease the PTPA, which commenced proceedings against the men's and women's tours in March, citing "unfair practices and a clear neglect of athlete well-being."

Overhauling the calendar is an clear answer but cannot be implemented readily given the complicated structure of tennis governance, where the four Grand Slams, ATP, WTA, and ITF each have controlling interests.

"We must consider whether we can create more time at the end of the year for an more substantial rest period, or can we buy time during the season so there is a mini-break," noted Dr. Sikka.

Former world number one Andy Roddick, a consistent campaigner for adjustments, says the season should not go past 1 November.

The ATP Tour has reduced the number of events which factor into the rankings for 2026, which it believes will diminish "overall demands" on the players.

"One point that often gets overlooked: players choose their own schedules," commented ATP chairman Andrea Gaudenzi.

"This level of choice is unusual in pro sports. But with that comes obligation - understanding when to compete and when to rest."

Prolonging several compulsory competitions across a fortnight - creating so-called 'extended events' - has also been faulted.

"I believe competitors are more worn out mentally and physically because they're being on the road longer," opined Britain's former men's world number one, Andy Murray.

In addition to mental burnout, there are concerns about the rising physical demands.

Players suffer more severe upper-body injuries in particular times of the year, according to player association statistics.

The organization says these "predictable clusters" are down to the tour schedule layout and the switches in court surfaces.

Fewer Late Nights & More Ball Consistency

When a memorable contest at the Australian Open finished in the early hours in 2023, it seemed set to trigger adjustments.

In 2024, the tours brought in a new rule preventing matches starting after 11pm.

But there have continued to be instances of matches finishing well past midnight - which medical experts cannot be allowed to be "romanticised".

"After a match concludes, an athlete's day isn't over," explained Dr. Sikka.

"You have to do media, recover, work with the physiotherapist. Your day doesn't end at midnight.

"There is insufficient opportunity for the body and mind to heal. There is no other sport which mandates that."

Different tournaments playing with different balls - leading to changes in weight and pace - has been pointed to as a source of a rise in upper body injuries.

"I have suffered numerous arm, shoulder, and wrist issues," said one top British player, "and such ailments are increasingly prevalent among peers."

A former US Open champion, who stepped away last year with an chronic wrist problem, believes tournaments in the same seasonal segment should use one standard ball.

"This should be a straightforward solution - the same ball for clay, the same for hard and the same for grass. That would be extremely beneficial to the players," he said.

The tours began using a more centralized ball-selection system during 2025 and project "complete uniformity" in the coming years.

Take Lessons from the NFL & Shield Developing Athletes

Sports scientists believe tennis must emulate how American team sports use data to guide the wellbeing of its stars.

Based on data-led analysis, the NFL demanded consistent playing surfaces and improved helmet technology to reduce the risk of injury.

"The league has altered its regulations using concrete research," said an analytics expert whose firm provides data to monitor player welfare.

"Their commercial success has soared because their games are so competitive and they're keeping players out on the field.

"They are investing heavily in their stated goals by protecting athletes and investing hugely – that model is the gold standard."

Other leagues have introduced rules aimed at protecting pitchers, limiting their throws at the professional level and putting guidelines for juniors.

Some retired players believe the strain put on the upper body of tennis players from a very early stage is a major contributor in their injuries later on.

"Training begins in childhood and have so many repetitions of our groundstrokes," said the former champion.

"At some point it goes on the wrist. Way more players have problems with the wrist. I think the problem is the many, many repetitions."

Athletes Are Pushing for Reform - What Are Their Demands?

An growing group of players are speaking out about the demands placed on them.

Current world number ones are among a collection of elite athletes increasing demands on the Grand Slams with calls for a bigger piece of the financial pie, as well as substantive discussions about the calendar extent, longer competitions and fixture planning.

Last year, a top-ten American player said it was "ridiculous" he was only able to take one week off before the next campaign.

Public understanding may be limited, though, given top players occasionally sign up for lucrative showcase matches.

One Grand Slam champion from Britain says the daily routine is a "test" but thinks top players "complaining about the calendar" is not a good look.

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