Lewes visit second placed Nottingham in division two tomorrow, without Marnix Achterbergh and Matt Lloyd, who are both unavailable.
Lewes skipper Will Champness said: "On paper it looks a tough one but they haven't had very good results since Christmas.
"They have two ex-internationals, Dharminder Singh and Kalbir Takher, who run the side. If you let them play, they are a very good team so it is up to us to stop them."
East Grinstead visit Indian Gymkhana, who beat Lewes 2-1 last Sunday.
Matt McNeill (ankle) and David Litchfield (knee) are both out for Grinstead but Duncan Howarth returns after illness.
In the Kent/Sussex Regional League, Brighton will continue to be without unavailable defenders Richard Baker and Pete Smales for their match at home to Gillingham Anchorians.
Dan Lock misses out for Worthing as they entertain Old Williamsonians and Dave Beales will be rested due to a persistent knee injury.
Mark Duncan returns and Chris Sciandro, back from university, is added to the squad.
Andy Crossley is back for Horsham at home to Sevenoaks. Andy Down is returning to the club after having left last summer but will not play tomorrow.
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