Koegel/Fediukov withdrew from the 1997 Karl Schäfer Memorial after the compulsory dances; a Swiss skater sliced Koegel's left biceps in a practice accident on October 16, 1997.
[2] The duo returned to the ice in December, training at the New England Figure Skating Club in Marlboro, Massachusetts.
After winning the silver medal at the 1998 Nebelhorn Trophy, Koegel/Fediukov debuted on the Grand Prix series, placing 8th at the 1998 Skate Canada International and tenth at the 1998 Trophée Lalique.
They were coached by Uschi Keszler and Robbie Kane at Ice Works FSC in Aston, Pennsylvania.
[1] The following season, Koegel/Fediukov again received two Grand Prix invitations; they placed sixth at the 1999 Skate Canada International but had to withdraw from the 1999 Cup of Russia due to a visa problem.