Ivanov's violation took place in September 2022 while he was competing at a tournament in Casablanca, Morocco.
The ITIA said Ivanov "was notified to provide an in-competition urine sample and refused to do so, leaving the tournament venue.” He later returned to provide a sample but was still charged for "refusing to provide a sample when asked to do so.”
Ivanov’s career-high ATP world singles ranking was No. 835, also in September 2022.
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