Tennis Tennis Serena sexism claims 'far-fetched' – Jamie Murray US Open mixed doubles champion Jamie Murray believes Serena Williams' claims of sexism in the wake of her umpire row are wide of the mark. Harry West 14 September, 2018 15:31 IST Serena Williams was given a code violation for what chair umpire Carlos Ramos deemed to be on-court coaching. - Getty Images Harry West 14 September, 2018 15:31 IST Serena Williams' claims that she was punished more harshly during her US Open umpire row because she is female have been described as "far-fetched" by Jamie Murray.During the final against Naomi Osaka, Williams was given a code violation for what chair umpire Carlos Ramos deemed to be on-court coaching.The 23-time grand slam champion vehemently denied that accusation and, after smashing her racket having been broken in the second set, was docked a point by Ramos.Williams angrily confronted Ramos, demanding an apology and branding him a "liar" and a "thief", comments which prompted the official to hand down a game penalty.RELATED | Serena's Flushing Meadows meltdown: A psychologist's takeIn the aftermath of her defeat, Williams claimed that had she been male, she would have been treated more leniently, but Murray – who won the mixed doubles final alongside Bethanie Mattek-Sands – does not agree."I think that’s a bit far-fetched. I think the umpire, he did what was within his rights," the Briton, who is the older brother of former world number one Andy Murray, told BBC Sport."Coaching is common, a lot of people are doing it, some people aren't getting called for it. To get called in a grand slam final was perhaps a bit tight, but I think the reaction was pretty overboard I've seen a lot of people get called for coaching before, and you might have a grumble and stuff, but you get on with it," he added. Read more stories on Tennis. For more updates, follow Sportstar on :