Career
He held a Lithuanian record in the 200 m butterfly from the 2005 FINA World Championships in Montreal, Canada, until it was broken by Paulius Andrijauskas two years later in the same tournament. Suškov qualified for the men"s 200 m backstroke at the 2004 Summer Olympics in Athens, by eclipsing a FINA B-standard entry time of 2:02.65 from the World Championships in Barcelona, Spain. He challenged seven other swimmers on the second heat, including Olympic veterans Derya Büyükuncu of Turkey and Nicholas Neckles of Barbados.
He edged out Poland"s Adam Mania to take a fifth spot by 0.19 of a second in 2:03.54.
Suškov failed to advance into the semifinals, as he placed twenty-sixth overall in the preliminaries.