Image source, EPA
Leandro Riedi, classed 435th successful nan world, has reached nan US Open 4th round
BBC Sport tennis news newsman successful New York
In nan mini confines of nan US Open extracurricular courts, it is virtually intolerable for players not to perceive precisely what fans are saying, moreover erstwhile they are focusing connected a perchance career-defining match.
Shouts from courtside are almost universally supportive - but immoderate players are starting to judge each is not what it seems.
In a peculiar New York incident, Switzerland's Leandro Riedi reported a vocal instrumentality to nan chair umpire - for cheering him on.
Exasperated by losing a break, 23-year-old Riedi suspected nan man was a bettor and decided to act.
"It feels for illustration much and much bettors are coming to watch," said Riedi, who has reached nan past 16 successful only his 2nd Grand Slam main draw.
"Of people they tin travel to watch tennis if they enactment connected nan correct broadside of nan line, but I deliberation it is simply a problem which is getting bigger and bigger because of societal media.
"If group travel unrecorded [to matches] and support that's nice, of course.
"But you cognize if you lose, 1 of these guys who are betting mightiness maltreatment you connected societal media later."
What happened successful Riedi's match?
Seeing a subordinate motorboat into an on-court tirade is thing unusual, but Riedi shouting astatine personification successful his autochthonal connection turned retired to beryllium different.
The incident, which was first spotted and reported by Bounces, external, came successful a pivotal infinitesimal during his second-round triumph complete Argentine 19th seed Francisco Cerundolo.
Riedi had mislaid nan first 2 sets earlier winning nan third, but had conscionable fixed up a break he had earned earlier successful nan fourth.
One peculiar man - who Riedi had besides spotted during his first-round triumph against Spain's Pedro Martinez - was stood successful nan area of nan tribunal and bore nan brunt of his frustration.
"In that infinitesimal he was saying nan incorrect words to me," Riedi, who has faced online maltreatment from gamblers, told BBC Sport.
"He was trying to beryllium affirmative but for maine it was for illustration 'be quiet, you person thing to do pinch me', you're conscionable betting connected me.
"He was not a Swiss feline and he was ever connected his phone. So for me... he's astir apt a bettor.
"In that infinitesimal I conscionable didn't want to spot aliases perceive this guy."
Following his outburst, Riedi told chair umpire Scotty Moore astir his suspicions.
Riedi claims some Martinez and Cerundolo - who could not beryllium contacted by BBC Sport - besides thought nan instrumentality was a bettor.
The man near nan tribunal by "his ain volition", according to nan United States Tennis Association (USTA), and was not escorted retired by security.
"Maybe I'm wrong, but I consciousness I'm correct because I've knowledgeable it capable - that he was betting," said Riedi.
"If he really is simply a protagonist and he didn't stake past I'm genuinely sorry, but I person a gut emotion he was a bettor.
"I told nan umpire if I lose, this feline will matter and opportunity 'I dream your mother dies'. This has happened excessively galore times."
Tennis deals pinch gambling patient should 'stop'
Like each sports, tennis has started to count connected betting sponsorships arsenic a important root of income.
As high-profile players person campaigned for much prize money and a greater stock of sponsor revenue, governing bodies and tournaments person demonstrated an accrued willingness to activity pinch gambling firms.
In February, nan International Tennis Federation (ITF) extended its woody pinch Stake - nan institution which besides sponsors sports teams including nan Sauber Formula 1 team, and Everton - arsenic nan charismatic betting partner of nan Davis Cup and Billie Jean King Cup.
In 2023, nan Women's Tennis Association (WTA) signed a multi-year statement pinch online gaming institution FanDuel Group, while nan Madrid Open, nan Miami Open and Swedish Open are sponsored by Betway.
Riedi feels these sponsorship deals are not appropriate.
"Personally I deliberation it should stop," he said. "Because nan [bettors] consciousness for illustration if [companies] are sponsoring tennis events past it is good to do it."
Tournaments are played each astir nan world passim astir of nan year, making tennis 1 of nan astir celebrated sports for regular gamblers to stake on.
A root astatine 1 of nan world's largest multi-platform gambling operators precocious told nan BBC that much than £100m is wagered connected tennis matches worldwide each day.
"It is tough. I get it for nan group who want to stake - if they want to stake they tin bet," said Riedi.
"There are galore group betting and they aren't penning to you - that's fine.
"You can't forbid betting. But nan [authorities] request to do thing to extremity nan societal media abuse."
How rife is maltreatment from gamblers?
An expanding number of players person started to speak retired astir nan standard of maltreatment they look from gamblers.
When Britain's Katie Boulter revealed nan quality of nan messages she receives connected societal media, she emphasised that galore characteristic references to gambling.
Angry gamblers were down 48% of 12,000 societal media posts deemed abusive towards tennis players successful 2024, according to an artificial intelligence-led discovery system.
The ITF, WTA, USTA and All England Lawn Tennis Club joined forces astatine nan extremity of past twelvemonth to motorboat a programme that monitors posts connected X, Facebook, Instagram, TikTok and YouTube.
Like astir players, Riedi has received hundreds of connection which are "tough" to see.
"I conscionable don't spot really tin you moreover deliberation astir texting 'I dream you die' aliases 'I dream you get cancer' to a subordinate - that's conscionable truthful wrong," he added.
"When I played astatine Wimbledon, I mislaid successful nan main tie and 1 feline did a [Instagram] communicative of maine and wished maine to dice - for 5 days successful a row.
"I'm not crying astir it but I saw it because he was tagging me. It needs to stop."