ORIENT will head to Blue Square Premier side Hayes & Yeading United for a pre-season friendly on Tuesday July 28.
The match will take place at United's Church Road ground with kick-off at 7.45pm.
Hayes & Yeading United were formed in 2007 following a merger of the former Hayes and Yeading clubs.
They won promotion to the top level of the non-league game last season by beating Hampton & Richmond Borough in the Blue Square South play-off final.
The Middlesex club will provide Orient's sixth friendly opposition of the summer and are added to a list of games against the likes of Ebbsfleet United, Luton Town and Dagenham & Redbridge.
Orient's summer schedule in full is as follows:
Tuesday July 14 - Billericay Town (a) 7.45pm
Friday July 17 - Kildare County (a) 7.45pm
Tuesday July 21 - Ebbsfleet United (a) 7.45pm
Thursday July 23 - Bishop's Stortford (a) 7.45pm
Saturday July 25 - Luton Town (a) 3pm
Tuesday July 28 - Hayes & Yeading Utd (a) 7.45pm
Thursday July 30 - St Albans City (a) 7.45pm
Saturday August 1 - Dagenham & Redbridge (a) 3pm
