Sinaly Diomandé plays at centre-back for Auxerre in the French Ligue 1. In 2025/26 he has 3 yellow cards and 1 red, averaging 0.17 cards per game, with 1.29 fouls committed and 1.08 fouls won per game. His next match is against Brest on 20 September, refereed by Guillaume Paradis.