Chaz Davies is leaving Jerez with two trophies, renewed momentum and plenty of confidence after a 'useful day' of mid-season World Superbike testing.

The Aruba.it Ducati Racing rider, who re-signed with the Italian manufacturer for 2016 at Jerez, strengthened his hold on second place in the World Superbike standings after pulling out a 22-point advantage on Tom Sykes thanks to a second place in race one and victory in race two.

The Welsh rider ended the one-day test sixth fastest on the combined timesheet while developing new Pirelli tyres, antispin and engine braking alongside software updates introduced during the Jerez race weekend.

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Davies says he's satisfied with the work completed after finding extra grip and speed on fresh rubber by changing front-end set-up and Ohlins suspension settings.

"We had a lot to do this morning and as a result we didn't make the best of the cooler conditions," Davies said. "This afternoon went well, considering the heat. We made some changes because in recent races we've been losing grip on the new tyre and so that was my priority for this test.

"I feel we've taken a step forward there, and I was able to make my fastest time in the very hot conditions of the afternoon which shows we've found some speed with the new tyre. Aside from that, we've done some electronic work and a few other small things. It's been a useful day."

Davies heads to the penultimate round of the 2015 WSBK championship at Magny-Cours looking to secure the runner-up spot in the championship after Kawasaki and Jonathan Rea wrapped up the riders' and manufacturers' world title in Spain.