The Pro Swim Series took place from January 14 to 18 in Austin, Texas. Petrashov participated in races at three distances.
The first final race in the 100 meters breaststroke took place early in the morning on January 15. In this race, the Kyrgyzstani took second place, finishing just 0.1 seconds behind American Matthias Vann, which earned him a silver medal.
The next stage of the competition, which took place on January 17, featured the final for the 50 meters breaststroke. Here, Petrashov again showed an excellent result, completing the distance in 27.12 seconds and winning silver once more, finishing behind Vann.
On the same day, the competition for the 200 meters breaststroke began. Petrashov successfully overcame the preliminary heats and advanced to the final.
On January 18, in the decisive race for 200 meters, he again finished second, earning his third silver medal. This time he was surpassed by four-time Olympic champion and seven-time world champion Léon Marchand from France.
