Lyle Taylor scored a hat-trick as Charlton beat Mansfield 5-0 to progress to the second round of the FA Cup.
Oxford boss Karl Robinson lauded his side's 3-0 FA Cup first round replay victory at League Two Forest Green.
Southend booked an FA Cup second-round tie at home to League One rivals Barnsley following a 6-2 extra-time win at Crawley Town.
Cheltenham progressed to the second round of the FA Cup with a 2-0 replay win over battling Ebbsfleet.
Oxford secured an FA Cup second-round date with Plymouth after goals from James Henry, Jamie Mackie and Marcus Browne earned a 3-0 win at Forest Green.