The solid and well-organised visitors did have chances with Luke James going close but they conceded a penalty with 16 minutes remaining when Emnes was fouled.
However, once again Flinders was up to the challenge and superbly kept out Lukas Jutkiewicz's spot-kick.
Trialist Adam McGurk secured a 1-1 draw for Birmingham in a pre-season friendly at Oxford and was denied a late winner at the Kassam Stadium.
The Northern Ireland international winger, released by Tranmere at the end of last season, fired City level just before half-time after Deane Smalley had put League Two Oxford into the lead in the 25th minute courtesy of a strong run and finish.
McGurk then had a chance to clinch victory for Blues in injury time but saw his header superbly tipped over by goalkeeper Ryan Clarke.
Charlton recorded an emphatic 3-0 win over League Two Portsmouth at Fratton Park.
In front of an impressive crowd of 8,557 the visitors broke the deadlock in the 34th minute, Bradley Pritchard heading home Cedric Evina's cross at the end of a swift counter-attack.
Chesterfield suffered their first defeat of pre-season with a 2-1 loss to Southport.
Manager Paul Cook started with a strong line up at the Merseyrail Community Stadium and the Spireites went ahead early on from the penalty spot. Tendayi Darikwa won the penalty having been fouled by Luke George and Marc Richards netted from 12 yards out.
Southport were quickly level with a penalty of their own after goalkeeper Tommy Lee brought down Danny Hattersley, who sent Lee the wrong way with his kick.
The non-league side took the lead in the 67th minute courtesy of Chris Almond's strike and their margin of victory could have been greater after Nathan Smith conceded another penalty with three minutes remaining.
However, Aaron Chapman, on as a replacement for Lee, got down well to his right to keep it out.
Dagenham were edged out 2-1 by Premier League new boys Crystal Palace at Victoria Road.
The Eagles, in their first pre-season friendly of the summer, were dominant and could have won by a greater margin despite a late period of pressure from their SkyBet League Two hosts.
Trialist Atdhe Nuhiu put Palace ahead from close range in the 34th minute and, after the visitors replaced their entire starting XI at the break, Owen Garvan's penalty doubled their advantage in the second half.
The Daggers pulled one back courtesy of a spot-kick of their own, Medy Elito netting from 12 yards, although it was not enough to earn a draw despite a late charge.
Former Manchester United trainee Brandy turned his man inside the box and finished after being put through by Daryl Westlake in the third minute.
The League One side were good value for their win and Jamie Murphy, Chris Porter and Kevin McDonald all wasted superb chances to extend the lead.
Mansfield improved in the second half and half-time substitutes Lee Stevenson and Amari Morgan-Smith both tested George Long in the Blades goal but an equaliser never really looked forthcoming.
Two goals in as many second-half minutes saw York draw 1-1 with Blackpool at Bootham Crescent.
Against the run of play Michael Coulson opened the scoring for York in the 55th minute from 20 yards out but the Sky Bet Championship side immediately when down the other end and Grant nodded home the equaliser.
A last-gasp leveller from Morten Gamst-Pedersen earned Blackburn a 2-2 draw with Rochdale at Spotland.
The home side took the lead against their Sky Bet Championship opponents after just 12 minutes when Scott Hogan got the better of Scott Dann and fired home.
New Blackburn signing Alan Judge then rattled the post with a curling free-kick before the lead was doubled three minutes after the break thanks to Peter Vincenti - a summer acquisition from Aldershot.
DJ Campbell pulled a goal back in the 61st minute, just seconds after stepping off the bench, and a minute into added time Pedersen curled home a free-kick from 20 yards out.
Aston Villa twice equalised to draw 2-2 in a pre-season friendly at League Two hosts Wycombe.
Wanderers fortuitously went ahead in the 10th minute when Marvin McCoy's cross from the right sailed over the head of goalkeeper Brad Guzan and into the back of the net.
Paul Lambert's team regrouped and got themselves level in the 25th minute with Matthew Lowton's header.
But Wycombe edged in front again six minutes later when Matthew Spring's corner was flicked on by Jon-Paul Pittman into the path of Leon Johnson, who could not miss as he bundled home from point-blank range.
The Premier League side levelled things up early in the second half when Ashley Westwood squeezed his 20-yard free-kick between the goalkeeper and post.
As promised before the game, Villa changed their entire team on the hour mark and they finished with 10 men after Jordan Bowery left the field with a rib injury.