Sinapov competed at the Biathlon World Championships in 2015, 2016 and 2017. His best individual result was the 11th place in the sprint in 2017 and the best relay result the 9th place the same year. In &lt;a href="2016%E2%80%9317%20Biathlon%20World%20Cup"&gt;2016/17&lt;/a&gt; he had his highest overall result in the World Cup with a 70th place at the end of the season.