Alastair Seeley won both races at the latest British Supersport championship round at Brands Hatch to now trail series leader Ben Wilson by 43 points.
The Relentless TAS Suzuki rider came home ahead of Wilson in both events.
Michael Laverty took two fourth places and an eighth position in the Superbike races, which were won by Josh Brookes, Shane Byrne and Tommy Hill.
Ian Lowry had an 11th place while Keith Farmer was fourth in the National Superstock 600 race.
Farmer enjoys a 26-point advantage over Connor Behan at the top of the Junior Superstock standings, with Glenn Irwin third.
Laverty is fourth in the Superbike table on 163 points.
Marty Nutt was 10th in the second Supersport event, while John Simpson was 11th and 15th and Lee Johnston took a 13th.
The next round will be staged at Cadwell Park over the August Bank Holiday weekend.