Merstham's bid to stay in the Surrey Championship took a turn for a worse despite a captain's innings 66 from Laurie Nicholson, as relegation rivals SinjunGrammarians took a vital victory.
The visitors to Quality Street leapfrogged their hosts, who were left second bottom of the division after an 85-run defeat, which means they have to beat Division Five winners Old Emmanuel on Saturday to have any chance of staying up.