Four games remain in the Herts Cricket League and the destiny of the Premier Division title seems to be becoming clearer.
The top two both won to leave Harpenden still holding a 38-point advantage over Potters Bar.
The leaders' victory came with a winning margin of six-wickets at North Mymms, leaving the home side third, a further 24-points behind Bar.
Both sides got runs, with Mymms setting 278-5 from their 60 overs.
The biggest chunk of them came from an unbeaten sixth-wicket partnership between Nesan Jeyaratnam and William Jones.
They came together with the score on 85-5 and took off.
Jones was left on 95 at the close, hitting 10 fours and three sixes in the 76 balls he faced.
The skipper though did get to three figures as he made a more patient 118 from 156 deliveries, 16 fours among his total.
But Harpenden had a centurion and a big partnership too.
Olly Batchelor made 118 from 96 balls with 13 fours and three sixes while Cole Briggs got 86 from 96 balls with seven fours and a six.
Between them they put on 185 for the third wicket and by the time both of them were out, Harpenden were just five runs short in the 47th over.
Potters Bar kept the pressure on with a two-wicket win at West Herts but this one kept the nerves jangling to the very end.
The home side opted to bat first on winning the toss but must have regretted that as the first four wickets fell in the opening 11 overs and for just 21 runs.
Callum Taylor and Sandesh Ramanayake then dug in and spent 33 overs at the crease rebuilding, putting on 113 for the fifth wicket.
Ramanyake departed first on 60 but Taylor stuck around until he was left with no partners, finishing on 98 not out.
Anmol Maheshram took 3-39 for Bar while Luke Chapman and Thilan Walallawita got two each.
In contrast the Bar opening was excellent with 77 for the first wicket, before Steve Gale went for 35.
Fellow opener James Seward would go on to get 73 but when he went, they were on a precarious 163-6.
That moved to 173-8 before Chapman and Ashen Kavinda (20*) eased them home.
Potters Bar host North Mymms on Saturday.
Old Owens are now bottom after falling to a seven-wicket loss at Totteridge Millhillians.
Number 10 batsman Adam Clark top scored with 31 but the win was confirmed one ball into the 25th over, leaving Owens 24 points behind Shenley Village and 28 behind complete safety.
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