Five wickets from Andrew Neal helped Harpenden to their first win of the 2023 Herts Cricket League season.
He claimed 5-30 inside eight overs as Harpenden won by eight wickets away to Hertford.
He was helped by a partnership of 90 from Danyaal Khalid (51*) and Chris Swanson (47*) who batted for 21 overs to guide the visitors to victory.
Radlett picked up what could be a massive victory, even with it coming as early as gameweek four.
They beat Potters Bar by 43 runs away at The Walk, bowling out the home side for 221 after the middle order failed to click.
Anthony Hill managed 3-31 while there was 3-53 from Kabir Toor and 2-20 from Suhaib Ahmad.
Radlett had earlier made 264-8 in their 50 overs thanks to a strong opening.
Fraser Crawford and Dominic Chatfield put on 80 for the first wicket, the latter getting 52.
Josh De Caires joined Crawford on 27, David Burnell managed 35 but it was Toor who led the way with 71 from 65 deliveries, smashing four sixes and three fours along the way.
Both sides are back at home on Saturday, Harpenden facing Potters Bar while Radlett host North Mymms.
In the Championship there was a 97-run win for Shenley Village over Preston, Charles Thurston bludgeoning 142 from 135 balls with 15 fours, but both St Albans and Redbourn lost.
Saints fell 13 runs short against Broxbourne, their final wicket falling to the second ball of the final over.
Will Bancroft (77) and Jamie Regan (68) had given them hope earlier in their innings with 156 for the third wicket but when Tom O'Toole was out for 44 in the penultimate over, their chances disappeared.
Redbourn meanwhile were beaten by Hoddesdon by just five runs.
They were chasing 250 at their compact Redbourn Common ground and despite 103 from Conor Yorath, they entered the final over with 18 of them still needed.
Ethan Bury managed seven of them before being run out on 32, trying to turn a single into a double on the fourth delivery.
There was better news for Redbourn in the Village Cup as they set up a blockbuster Beds & Herts regional final against multiple winners Reed.
They will meet on Sunday after a seven-wicket win away to Sharnbrook & Bromham.
Yorath was in form with the ball in that one, taking 3-15 before 48 from Ed Hales guided them to a rapid success.
Back in the league, Sandridge enjoyed a seven-wicket success over London Colney in Division Three B, chasing the total down with seven overs to spare.
Wheathampstead lost by one wicket though away to Welwyn Garden City.
Ross Martin and Chris Bates top scored with 21 with there was a late flurry of 20 from James Mason as they got to 110.
Mason and Steve Booth though almost pulled off the unlikely, taking 4-26 and 3-19 respectively.
It sent Welwyn tumbling from 105-6 to 109-9 but Tom Whitton was able to push WGC over the line.
Frogmore were beaten by 143 runs at Preston in Division Five A, James Barwick took 4-36 as Old Albanian beat Langleybury by one wicket in Division Five B and Greenwood Park won by 21 runs against Hertford.
Arslan Khan top-scored with 73 before taking 3-37, aided by 4-26 by Abdul Qazafi.
Richard Kershaw managed 4-31 and there was 3-28 from Ron Giovanni but Harpenden Dolphins lost by 60 runs at Old Minchendenians.
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