Marc Marquez helped draw a line under his Assen disappointment by leading opening practice for the German MotoGP at Sachsenring.

The Repsol Honda star, who lost out to Valentino Rossi in a dramatic final turn showdown in Holland, began exchanging the top spot with the 2015 title leader from the tenth minute of FP1.

Marquez then made the top spot his own with a 1m 21.838s just after the halfway stage before fitting the new asymmetric Bridgestone front tyre, on offer for the first time in 2015, to find a further 0.072s on his penultimate lap.

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That gave the Spaniard a final advantage of 0.336s over Rossi, who will nonetheless be pleased to have repeated his Assen feat of being quick from the opening session.

Struggling Marc VDS Honda rider Scott Redding was a surprise third fastest, the young Briton tucking in behind Andrea Dovizioso and Dani Pedrosa to set a time 0.4s from Marquez.

Like Marquez, winner in Germany for the last five years, team-mate Pedrosa also has an enviable past record at the shortest venue on the calendar. Pedrosa was fourth this morning, with Pramac's Yonny Hernandez putting his GP14 as the top Ducati in fifth ahead of Dovizioso.

Having seen a four-race win streak end at Assen, Jorge Lorenzo is just ten points from Rossi (compared with 74 points for Marquez) heading into the final event before the summer break. Lorenzo has never won at the Sachsenring in any class and could only manage seventh (+0.679s) this morning.

Aleix Espargaro, debuting the new retro Suzuki livery, LCR Honda's Cal Crutchlow and Ducati's Andrea Iannone completed a top ten covered by 0.904s.

Bridgestone's asymmetric front tyre features softer right-hand rubber designed to improve grip on corners such as the fearsome Turn 11, but Marquez was only rider to try it this morning.

Pol Espargaro had been the first victim of the 'Waterfall' this weekend, losing the front and heavily damaging his Tech 3 Yamaha just before the halfway stage, with Aprilia's Alvaro Bautista making the same mistake later on.

With Marco Melandri having split from Aprilia after a miserable MotoGP return, test rider Michael Laverty is back on the grid for the first time since Valencia 2014.

Local star Stefan Bradl is missing the race due to a broken scaphoid at Assen and replaced at Forward Racing by Claudio Corti. Honda test rider Hiroshi Aoyama is likewise replacing the injured Karel Abraham at AB Motoracing.

Aoyama, who replaced Pedrosa earlier this season, was 20th this morning with Laverty 23rd and Corti 25th.

FP1:
1. Marc Marquez
2. Valentino Rossi
3. Scott Redding
4. Dani Pedrosa
5. Yonny Hernandez
6. Andrea Dovizioso
7. Jorge Lorenzo
8. Aleix Espargaro
9. Cal Crutchlow
10. Andrea Iannone
11. Maverick Vi?ales
12. Pol Espargaro
13. Bradley Smith
14. Danilo Petrucci
15. Nicky Hayden
16. Hector Barbera
17. Mike Di Meglio
18. Alvaro Bautista
19. Eugene Laverty
20. Hiroshi Aoyama
21. Alex De Angelis
22. Jack Miller
23. Michael Laverty
24. Loris Baz
25. Claudio Corti