Three first-half goals helped Leyton Orient to victory over Tranmere at Brisbane Road.
Orient took an 18th-minute lead when Tranmere failed to clear a corner and defender Justin Miller scored from the edge of the box.
Ryan Jarvis doubled the advantage from Gary Alexander's pass before Chris Greenacre pulled one back for Rovers.
Shortly before half-time, Matthew Lockwood provided a low cross which Jarvis stabbed in.
Leyton Orient: Garner, Miller, Mackie, Saah, Lockwood, Tudor (Demetriou 78), Easton, Chambers, Corden (Mulryne 86), Alexander, Jarvis.
Subs Not Used: Morris, Tann, Duncan.
Booked: Lockwood, Jarvis.
Goals: Miller 18, Jarvis 29, 39.
Tranmere: Ward, Harrison, Sherriff, Taylor, Tremarco, McLaren, McAteer (Ellison 68), Mullin, Shuker, Zola, Greenacre.
Subs Not Used: Hinchcliffe, Henry, Johnston, Curran.
Goals: Greenacre 34.
Att: 4,832
Ref: K Stroud (Hampshire).