Frank Lampard's second spell in charge of Chelsea began with a dismal 1-0 defeat against Wolves at Molineux.
Matheus Nunes's first-half strike proved to be the only difference between the two sides, with the Blues' winless streak in the Premier League extending to four games in the process.
Despite their late endeavours in the West Midlands, Lampard's side failed to muster a valiant attempt in the second period, despite having introduced all of Pierre-Emerick Aubameyang, Mykhailo Mudryk and Christian Pulisic.