Due to a temporary spelling error in his passport, he is often incorrectly called Honchar.

[1] Gonchar failed a blood health check in the 1999 Tour de Suisse, and was removed from the race.

[2] In the 2006 Tour de France, Gonchar lead the general classification after a time-trial win in stage 7.

He beat Landis, Zabriskie, Lang, Rogers, Klöden, Evans and various others in the individual time trials in the 2006 Tour de France.

On 11 May 2007, Gonchar was suspended for 30 days by his T-Mobile team, following blood tests taken at Liège–Bastogne–Liège and the Tour de Romandie.