Italy's world number one Jannik Sinner has said he and his team have got to the bottom of the physical crisis that led to his second-round loss to Argentine Juan Manuel Cerundolo in the French Open in May but he has not ruled out it happening again..
    "Yes, we understand," Sinner told reporters when asked about the crisis after beating Nuno Borges of Portugal 7-6 7-6 6-4 on Wednesday to progress to the third round of Wimbledon.
    "It could happen again because a solution can't be found (just) like that; it's a slightly broader issue," he added, without giving details of the nature of the problem.
    "We're doing everything we can to ensure it doesn't happen again, but if it were to happen again, we'd understand at that point that perhaps the path we're taking isn't the right one".
    Four-time Grand Slam-winner Sinner had a barrage of tests at Milan's San Raffaele Hospital recently as part of the effort to find out the cause of the crisis.

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