[2] His best performance at the Biathlon World Championships, is 5th, as part of the 2009 Ukrainian men's relay team.

His best is a silver, as part of the Ukrainian men's relay team in Hochfilzen during the 2000–01 season.

He has also won a pair of individual bronze medals, in the pursuit at Pokljuka in 1999–2000 and the mass start at Osrblie in 2001–02.

[1] His last individual competition at the World Cup level was the Olympic sprint in Vancouver, whilst the last relay was the Olympic relay, where he shot cleanly, requiring no spare rounds.

[3] Derkach announced his retirement after the 2010–11 season, citing a hip injury and family responsibilities.