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| Sat 03-01 | Sussex Friendly 2025-26 | Littlehampton | Beccehamians | |
| Sat 03-01 | Sussex Women's Friendly. | Littlehampton Women | TBA Ladies | |
| Sun 04-01 | Sussex U17 League 2025-26 | Horsham U17 | Haywards Heath U17 | |
| Sun 04-01 | Sussex U15 League 1 2025-26 | Chichester U15 | Jersey U15 | |
| Sun 04-01 | Sussex U15 League 1 2025-26 | Crowborough U15 | Worthing U15 | |
| Sun 04-01 | Sussex U15 League 1 2025-26 | Haywards Heath U15 | Hastings & Bexhill U15 | |
| Sun 04-01 | Sussex U15 League 1 2025-26 | Hove U15 | Pulborough U15 | |
| Sun 04-01 | Sussex U15 League 2 2025-26 | Horsham U15 | Crawley U15 | |
| Sun 04-01 | Sussex U15 League 2 2025-26 | Hove U15B | Brighton U15 | |
| Wed 07-01 | Sussex Schools | Bhasvic U19 | Newman College U19 | Ref: Joseph Garman |
| Sat 10-01 | Counties 2 Hampshire 2025-26 | Chichester 2 | Havant 3 | Ref: Simon Milner |
| Sat 10-01 | Counties 2 Sussex 2025-26 | Ditchling | Seaford | |
| Sat 10-01 | Counties 2 Sussex 2025-26 | East Grinstead | Jersey Royals | Ref: Stewart Goodwin |
| Sat 10-01 | Counties 2 Sussex 2025-26 | Eastbourne 2 | Brighton 2 | Ref: Simon Jozwiak |
| Sat 10-01 | Counties 2 Sussex 2025-26 | Lewes | Pulborough | Ref: Roger Roberts |
| Sat 10-01 | Counties 2 Sussex 2025-26 | Shoreham | Crawley | Ref: Colin Revell |
| Sat 10-01 | Counties 3 Kent 2025-26 | Hastings & Bexhill | Whitstable | |
| Sat 10-01 | Counties 3 Sussex Harveys Brewery 2025-26 | Burgess Hill | Haywards Heath 2 | Ref: Simon Flint |
| Sat 10-01 | Counties 3 Sussex Harveys Brewery 2025-26 | East Grinstead 2 | Uckfield | Ref: Nick Henton |
| Sat 10-01 | Counties 3 Sussex Harveys Brewery 2025-26 | Horsham 3 | Crowborough 2 | Ref: Tim Bishop |
| Sat 10-01 | Counties 3 Sussex Harveys Brewery 2025-26 | Hove 2 | Shoreham 2 | Ref: Charlie Dagwell |
| Sat 10-01 | Counties 3 Sussex Harveys Brewery 2025-26 | Worthing 3 | Hellingly | Ref: James Kimber |
| Sat 10-01 | Sussex Vase SF 2025-26 | Heathfield & Waldron 2 | Barns Green | |
| Sat 10-01 | Hampshire Premiership South East 2025-26 | Bognor 2 | Chichester 3 | |
| Sat 10-01 | Sussex Pennant SF 2025-26 | Brighton & Hove Sea Serpents | Crowborough 3 | Ref: Euan Freeman |
| Sun 11-01 | Sussex Colts Champions East 2025-26 | Crowborough U18 | Eastbourne U18 | |
| Sun 11-01 | Sussex Colts Champions East 2025-26 | Hastings & Bexhill U18A | Heathfield & Waldron U18 | |
| Sun 11-01 | Sussex Colts Champions West 2025-26 | Bognor U18 | Chichester U18 | |
| Sun 11-01 | Sussex Colts Champions West 2025-26 | Brighton U18A | Guernsey U18 | |
| Sun 11-01 | Sussex Colts Champions West 2025-26 | Lewes U18 | Pulborough U18 | |
| Sun 11-01 | Sussex Colts Premier League 2025-26 | Haywards Heath U18 | Hove U18 | |
| Sun 11-01 | Sussex Colts Premier League 2025-26 | Horsham U18 | Jersey U18 | Ref: Neal Hyett |
| Sun 11-01 | Women's Championship South East 2 2025-26 | Heathfield & Waldron Ladies | Beckenham Ladies 1 | Ref: Ben McNamara |
| Sun 11-01 | Women's NC 1 South East (South) 2025-26 | Horsham Ladies | Medway Ladies | |
| Sun 11-01 | Sussex U15 League 2 2025-26 | Heathfield & Waldron U15 | Seaford U15 | |
| Sun 11-01 | Sussex U16 League 1 2025-26 | Chichester U16 | Crawley U16 | |
| Sun 11-01 | Sussex U16 League 1 2025-26 | Horsham U16 Lions | Brighton U16 | |
| Sun 11-01 | Sussex U16 League 1 2025-26 | Pulborough U16 | Lewes U16 | |
| Sun 11-01 | Sussex U16 League 2 2025-26 | Brighton U16B | East Grinstead U16 | |
| Sun 11-01 | Sussex U16 League 2 2025-26 | Uckfield U16 | Hastings & Bexhill U16 | |
| Sun 11-01 | Women's NC 2 South East (South) 2025-26 | Crawley Ladies | Guernsey Ladies | |
| Sun 11-01 | Women's NC 2 South East (South) 2025-26 | Uckfield Ladies | Worthing Ladies | |
| Sun 11-01 | Women's NC 3 South East (South) 2025-26 | Heathfield & Waldron Ladies 2 | Cranleigh Women 1 | |
| Sun 11-01 | Women's NC 3 South East (South) 2025-26 | Littlehampton Women | Burgess Hill Ladies | |
| Wed 14-01 | AOC Sports League (South East) Women | Cardinal Newman Ladies | Godalming College Women 1 | |
| Sat 17-01 | Counties 2 Sussex 2025-26 | Brighton 2 | Seaford | |
| Sat 17-01 | Counties 2 Sussex 2025-26 | Crawley | Eastbourne 2 | |
| Sat 17-01 | Counties 2 Sussex 2025-26 | Jersey Royals | Lewes | |
| Sat 17-01 | Counties 2 Sussex 2025-26 | Pulborough | Ditchling | |
| Sat 17-01 | Counties 2 Sussex 2025-26 | Shoreham | East Grinstead | |
| Sat 17-01 | Counties 3 Sussex Harveys Brewery 2025-26 | Crowborough 2 | Worthing 3 | |
| Sat 17-01 | Counties 3 Sussex Harveys Brewery 2025-26 | East Grinstead 2 | Burgess Hill | |
| Sat 17-01 | Counties 3 Sussex Harveys Brewery 2025-26 | Haywards Heath 2 | Hove 2 | |
| Sat 17-01 | Counties 3 Sussex Harveys Brewery 2025-26 | Hellingly | Shoreham 2 | |
| Sat 17-01 | Counties 3 Sussex Harveys Brewery 2025-26 | Horsham 3 | Uckfield | |
| Sat 17-01 | Women's NC 1 South East (South) 2025-26 | Hove Ladies | Horsham Ladies | |
| Sat 17-01 | Counties 4 Sussex West Harveys IPA 2025-26 | Barns Green | Littlehampton | |
| Sat 17-01 | Hampshire Premiership South East 2025-26 | Bognor 2 | Portsmouth 3 | |
| Sun 18-01 | Sussex Colts Champions West 2025-26 | Bognor U18 | Lewes U18 | |
| Sun 18-01 | Sussex Mike Richardson Colts Cup Rd 1 2025-26 | Pulborough U18 | Heathfield & Waldron U18 | |
| Sun 18-01 | Sussex U17 League 2025-26 | Littlehampton U17 | Worthing U17 | |
| Sun 18-01 | Sussex U15 League 1 2025-26 | Crowborough U15 | Jersey U15 | |
| Sun 18-01 | Sussex U15 League 1 2025-26 | Hastings & Bexhill U15 | Pulborough U15 | |
| Sun 18-01 | Sussex U15 League 1 2025-26 | Worthing U15 | Haywards Heath U15 | |
| Sun 18-01 | Sussex U15 League 2 2025-26 | Brighton U15 | Heathfield & Waldron U15 | |
| Sun 18-01 | Sussex U15 League 2 2025-26 | Crawley U15 | Hove U15B | |
| Sun 18-01 | Sussex U15 League 2 2025-26 | Eastbourne U15 | Horsham U15 | |
| Sun 18-01 | Sussex U15 League 3 2025-26 | Burgess Hill U15 | Guernsey U15 | |
| Sun 18-01 | Sussex U15 League 3 2025-26 | Crowborough U15B | Bognor U15 | |
| Sun 18-01 | Sussex U15 League 3 2025-26 | East Grinstead U15 | Shoreham U15 | |
| Sun 18-01 | Sussex U15 League 3 2025-26 | Worthing U15 B | Uckfield U15 | |
| Sun 18-01 | Sussex U16 League 2 2025-26 | Uckfield U16 | Worthing U16 | |
| Sun 18-01 | Women's NC 2 South East (South) 2025-26 | Seaford Ladies | East Grinstead Ladies | |
| Sun 18-01 | Women's NC 3 South East (South) 2025-26 | Burgess Hill Ladies | Cranleigh Women 1 | Ref: Samuel Skudder |
| Sun 18-01 | Women's NC 3 South East (South) 2025-26 | Heathfield & Waldron Ladies 2 | Horsham Ladies 2 | |
| Wed 21-01 | AOC Sports League (South East) | Cardinal Newman School U18 3rd | TBA Sussex | |
| Sat 24-01 | Counties 2 Hampshire 2025-26 | Chichester 2 | Fordingbridge | |
| Sat 24-01 | Counties 2 Sussex 2025-26 | Ditchling | Crawley | |
| Sat 24-01 | Counties 2 Sussex 2025-26 | East Grinstead | Brighton 2 | |
| Sat 24-01 | Counties 2 Sussex 2025-26 | Eastbourne 2 | Jersey Royals | |
| Sat 24-01 | Counties 2 Sussex 2025-26 | Lewes | Shoreham | |
| Sat 24-01 | Counties 2 Sussex 2025-26 | Seaford | Pulborough | |
| Sat 24-01 | Counties 3 Kent 2025-26 | Hastings & Bexhill | Old Dunstonians 1 | |
| Sat 24-01 | Counties 3 Sussex Harveys Brewery 2025-26 | Burgess Hill | Horsham 3 | |
| Sat 24-01 | Counties 3 Sussex Harveys Brewery 2025-26 | Hove 2 | Crowborough 2 | |
| Sat 24-01 | Counties 3 Sussex Harveys Brewery 2025-26 | Shoreham 2 | Haywards Heath 2 | |
| Sat 24-01 | Counties 3 Sussex Harveys Brewery 2025-26 | Uckfield | Hellingly | |
| Sat 24-01 | Counties 3 Sussex Harveys Brewery 2025-26 | Worthing 3 | East Grinstead 2 | |
| Sat 24-01 | Counties 4 Kent 2025-26 | Rye | Old Colfeians 2 | |
| Sat 24-01 | Counties 4 Sussex East Harveys IPA 2025-26 | Hastings & Bexhill 2 | Seaford 2 | |
| Sat 24-01 | Counties 4 Sussex East Harveys IPA 2025-26 | Heathfield & Waldron 2 | St Francis | |
| Sat 24-01 | Counties 4 Sussex East Harveys IPA 2025-26 | Newick | Crawley 2 | |
| Sat 24-01 | Counties 4 Sussex Harveys IPA Conference 2025-26 | Hove 3 | Littlehampton | |
| Sat 24-01 | Counties 4 Sussex West Harveys IPA 2025-26 | Barns Green | Holbrook | |
| Sat 24-01 | Counties 4 Sussex West Harveys IPA 2025-26 | Pulborough 2 | Midhurst | |
| Sat 24-01 | Counties 5 Sussex West Harveys Olympia 2025-26 | Crowborough 3 | Burgess Hill 2 | |
| Sat 24-01 | Counties 5 Sussex West Harveys Olympia 2025-26 | Ditchling 2 | Lewes 2 | |
| Sat 24-01 | Counties 5 Sussex West Harveys Olympia 2025-26 | St Leonards Cinque Ports | Brighton & Sussex Medical School | |
| Sun 25-01 | Sussex Mike Richardson Colts Cup QF 2025-26 | Eastbourne U18 | Haywards Heath U18 | |
| Sun 25-01 | Sussex Mike Richardson Colts Cup QF 2025-26 | Hove U18 | Jersey U18 | |
| Sun 25-01 | Sussex Mike Richardson Colts Cup QF 2025-26 | Worthing U18 | Crowborough U18 | |
| Sun 25-01 | Women's Championship South East 2 2025-26 | Heathfield & Waldron Ladies | Battersea Ironsides Ladies 1 | |
| Sun 25-01 | Sussex U15 League 1 2025-26 | Crowborough U15 | Haywards Heath U15 | |
| Sun 25-01 | Sussex U16 League 1 2025-26 | Horsham U16 Lions | Lewes U16 | |
| Sun 25-01 | Sussex U16 League 2 2025-26 | Crowborough U16 | Uckfield U16 | |
| Sun 25-01 | Women's NC 2 South East (South) 2025-26 | Seaford Ladies | Uckfield Ladies |