The Pro Swim Series competitions took place from January 14 to 18 in Austin, Texas. Petrashov participated in three distances.
The final for the 100 meters breaststroke took place early in the morning on January 15. In this race, the Kyrgyzstani finished second, winning a silver medal, finishing just 0.1 seconds behind American swimmer Matthias Vann.
On January 17, the final for the 50 meters breaststroke was held. Denis recorded a time of 27.12 seconds and again took second place, adding another silver medal to his collection, once again finishing behind Vann.
On the same day, the preliminary round for the 200 meters breaststroke started, where Petrashov successfully qualified for the final.
The final race for the 200 meters took place on January 18, and the Kyrgyzstani again finished second, receiving his third silver medal at the tournament, finishing behind Leon Marchand, a four-time Olympic champion and seven-time world champion from France.
