In Unai Emery's first competitive game in charge, on 13 August, Arsenal lost to Manchester City 0–2 in the Premier League. After a second consecutive loss to Chelsea on 18 August, Emery recorded his first win as Arsenal manager on 25 August, in a 3–1 home win over West Ham United, followed by a hard-fought 2–3 away win at Cardiff City. Following those two victories Arsenal went on to enjoy a 22-match unbeaten run in all competitions, the Gunners' best run since November 2007. This run saw them top their Europa League group and record stellar Premier League wins, including a stylish 1–5 away win at Fulham and a memorable 4–2 North London derby home win against Tottenham. However Arsenal's unbeaten run ended on 16 December with a 3–2 league defeat at struggling Southampton. This was followed by a League Cup fifth round exit to Tottenham and a run of only two league wins in five matches that included a 5–1 hammering defeat at Liverpool on 29 December, meaning that Arsenal's form slipped following a promising start. Arsenal then won 2–0 at home against Chelsea in the Premier League on 19 January but were then knocked out of the FA Cup at the fourth round by Manchester United.